[CSX] CSX: Q3 2026 Earnings Preview on Intermodal Yield and Margin Quality

CSX is one of the two large eastern United States Class I railroads, moving merchandise carloads of chemicals, agricultural and food products, automotive goods, minerals and metals, along with intermodal containers and coal, over roughly 20,000 route miles serving 26 states, the District of Columbia and the Canadian provinces of Ontario and Quebec[1]. The company is scheduled to report on 2026-10-15 for the third quarter of fiscal 2026 (quarter ended September 30, 2026)[2]. The most recent disclosed period is the June 2026 quarter, in which revenue reached a record 3,935 million dollars, up 10 percent year over year, operating income rose 17 percent to 1,506 million dollars, the operating margin of 38.3 percent improved 240 basis points, and diluted earnings per share of 0.54 dollars rose 23 percent[3]. On 22 July 2026 management raised the full-year 2026 outlook to mid to high single digit revenue growth, operating margin expansion of more than 350 basis points and free cash flow growth of more than 80 percent, with capital spending still below 2.4 billion dollars[4]. As of 2026-09-15, 12 analysts put average September-quarter revenue at 3,929 million dollars, 15 analysts put average diluted earnings per share at 0.54 dollars, and the average operating income estimate was 1,521 million dollars[5].

The questions this report has to answer are unusually specific, and they reduce to three. First, whether the intermodal growth is worth what it costs in yield: intermodal volume in the June quarter was 792 thousand units, up 9 percent, revenue was 620 million dollars, up 26 percent, and revenue per unit was 783 dollars, up 16 percent[6], yet the commercial officer attributed that rise to the fuel surcharge and noted that total revenue per unit excluding fuel fell 1 percent year over year precisely because intermodal grew at more than double the rate of the other business units[7]. Second, whether the service metrics can be pulled back without spending: in the same quarter terminal dwell lengthened from 10.4 hours to 11.0 hours, carload trip plan performance fell from 75 percent to 71 percent and intermodal trip plan performance slipped from 90 percent to 88 percent, while train velocity actually improved[8]. Third, the third-quarter cost cadence: the company has already flagged that incentive compensation steps down sequentially but is largely offset by the 3.75 percent union wage increase effective 1 July, while property disposition gains and insurance recoveries inside purchased services fall away and locomotive overhaul costs rise in the second half[9].

Company Background and Business Structure

CSX's assets are old and its management team is new. The company was incorporated in 1978 and is headquartered in Jacksonville, Florida; its principal subsidiary, CSX Transportation, runs one of the two large eastern Class I railroads over approximately 20,000 route miles serving 26 states, the District of Columbia and the provinces of Ontario and Quebec, and as of December 2025 it employed approximately 23,000 people, of whom roughly 16,900 were rail labor union employees working under national agreements with scheduled wage increases[1]. Steve Angel became president and chief executive officer in 2025, the second-quarter 2026 call was his fourth, and he described himself on it as a ten-month veteran of the railroad; chief financial officer Kevin Boone, chief operating officer Mike Corey and chief commercial officer Mary Claire Kenney make up the rest of the senior team[1].

Structurally, CSX reports only two operating segments, rail and trucking, and because the network is integrated it analyses the railroad as a single operating segment and publishes no line-of-business operating income[1]. Of 14.1 billion dollars of 2025 revenue, merchandise contributed 8.8 billion dollars, or 62 percent of revenue, on 2.6 million carloads and 41 percent of units; intermodal contributed 2.1 billion dollars, or 15 percent of revenue, on 3.0 million units and 48 percent of units; coal contributed 1.9 billion dollars, or 13 percent of revenue, on 718 thousand carloads; the Quality Carriers trucking business contributed 816 million dollars, or 6 percent; and the remaining 4 percent came from other charges such as intermodal storage, demurrage, switching and regional subsidiary railroads[1]. Merchandise itself spans seven markets: chemicals, agricultural and food products, automotive, minerals, forest products, metals and equipment, and fertilizers.

The three lines are not sold the same way. Intermodal runs through roughly 30 terminals east of the Mississippi River and is sold both through wholesale channel partners and directly to shippers, with domestic business repriced in an annual bid season and international business largely under long-term contracts, while coal splits between domestic utility and industrial deliveries on contract and export tonnage moving through deep-water ports at benchmark-linked rates[1]. Beyond cyclical demand, CSX also manufactures its own demand through an industrial development programme: the pipeline holds roughly 600 active projects, about 100 facilities were due to enter service during 2026, 21 projects went into service in the first quarter alone and should contribute an estimated 33,000 annual carloads at full ramp, and the 100 projects are expected to contribute roughly 50 percent more volume at full ramp than the prior year's 85 projects combined[10].

Financial History and Current Position

For four years CSX's reported numbers pointed downward. Revenue peaked at 14,853 million dollars in 2022 and then slid to 14,657 million in 2023, 14,540 million in 2024 and 14,092 million in 2025; operating income fell further and faster, from 5,954 million dollars in 2022 to 4,521 million in 2025, taking the operating margin from about 40 percent to 32.1 percent; and 2025 net earnings of 2,889 million dollars, or 1.54 dollars per diluted share, were below the 3,470 million dollars and 1.79 dollars of 2024[11]. One qualification matters: 2025 operating income absorbed a 164 million dollar Quality Carriers goodwill impairment recorded in the third quarter of that year, after the same unit had already been written down by 108 million dollars in 2024[12].

Cash was under the same pressure in 2025. Free cash flow before dividends fell 995 million dollars year over year to 1,789 million dollars, primarily on lower net earnings and the payment of 429 million dollars of previously postponed federal and state taxes relating to the 2024 tax year, while property additions rose to 2,902 million dollars, including roughly 470 million dollars to rebuild the Blue Ridge subdivision[13]. Even so, the company repurchased 1,396 million dollars of stock and paid 972 million dollars of dividends that year, and ended it with total debt of 19,352 million dollars[11].

The first half of 2026 broke that trend line. First-quarter revenue rose 2 percent to 3,482 million dollars while expenses fell 153 million dollars, so operating income rose 20 percent to 1,253 million dollars and the operating margin improved 560 basis points to 36.0 percent[14]. Second-quarter revenue set a record at 3,935 million dollars, and taking the two quarters together, first-half revenue of 7,417 million dollars carried total expense of 4,658 million dollars, slightly below the prior year's 4,673 million despite higher volume, lifting operating income from 2,324 million dollars to 2,759 million[3]. The cash improvement was starker still: first-half free cash flow before dividends was 1,617 million dollars against 444 million a year earlier, on property additions that fell from 1,495 million dollars to 1,119 million[15].

Operating Model

Revenue is fundamentally volume multiplied by revenue per unit, computed separately for merchandise, intermodal and coal, plus Quality Carriers trucking revenue and other charges such as intermodal storage, demurrage and switching[1]. The unit economics of the three lines differ sharply: in the June 2026 quarter a merchandise carload earned about 3,519 dollars and a coal carload 2,751 dollars, while an intermodal unit earned only 783 dollars[6], so mix moves the consolidated revenue-per-unit figure more than price does. Revenue per unit itself has three separable parts, namely the contracted base rate set on renewal and in the annual domestic intermodal bid season, the fuel surcharge that follows highway diesel on a two-month lag for non-intermodal traffic, and business mix including length of haul and the domestic versus international split; management has said that most 2026 contract renewals are already complete, so fuel and mix rather than price will be the primary drivers of revenue per unit in the second half[7].

On the profit side, operating income is revenue less five expense lines: labor and fringe, purchased services and other, depreciation and amortization, fuel, and equipment and other rents. In the June 2026 quarter those five were 831 million, 644 million, 411 million, 446 million and 97 million dollars, totalling 2,429 million dollars against revenue of 3,935 million[3]. Most of that cost base is fixed within a quarter, so incremental freight that fits into trains already running converts to operating income at a high rate, which is why the same quarter produced 10 percent revenue growth and 17 percent operating income growth. Two things break the link: diesel raises revenue and expense together, diluting the margin percentage while the surcharge arrives on a lag so the cost lands before the recovery does; and when volume outruns crew availability, network fluidity deteriorates, and the fix — crews, overtime, contractors and car hire — lands in the two largest expense lines. The 2026 cost programme has worked on exactly the controllable part, insourcing maintenance work, cutting third-party services, shrinking the vehicle fleet and reducing headcount, and the result was that purchased services and other fell 66 million dollars year over year in the June quarter, with 54 million of that described as efficiency savings net of inflation, while total non-fuel expense fell 39 million dollars on 6 percent more volume[16].

Cash conversion is operating cash flow less property additions plus proceeds from property dispositions, which CSX reports as free cash flow before dividends[13]. Property additions are the swing factor: of the 2,902 million dollars spent in 2025, roughly 470 million dollars went to rebuilding the Blue Ridge subdivision, which reopened in September 2025, and the prior-year first half carried roughly 295 million dollars of the same rebuild[15], which is why the 2026 capital plan sits below 2.4 billion dollars and was written into the full-year outlook[4]. With earnings higher and the catch-up tax payments behind it, first-half free cash flow before dividends reached 1,617 million dollars[15]; cash is returned through a quarterly dividend and buybacks, which were 972 million dollars and 1,396 million dollars respectively in 2025, against total debt of 19,352 million dollars at year end[11].

Industry and Competitive Position

CSX's real competitor is not the other eastern Class I railroad but trucking, which is why highway capacity and diesel prices drive its volume swings. That competitive map is being redrawn: a proposed transcontinental combination of two rivals is under review at the Surface Transportation Board, CSX has been incurring advisory expense on it since at least the first quarter of 2026, and that expense sits inside purchased services and other[16]; the chief executive has publicly framed the review as a multi-year process that will bring both challenges and opportunities, while insisting that CSX creates value by running its own network better regardless of the outcome[10].

At the same time, CSX's own network position improved materially in 2026. The Howard Street Tunnel clearance work removed the last double-stack restriction on the Baltimore corridor and takes a day out of east-west transit, while the SMX service with CPKC opened truck-competitive lanes between the southeast, Dallas and Mexico, and management said in July that the two together were then adding about two percentage points of domestic intermodal growth[17]. Measured against peers, the distinguishing feature of this period is that CSX grew volume 6 percent in the June quarter[6] while non-fuel expense still fell year over year[16] — a combination the eastern network has not consistently produced in recent years.

Core Debates

In the September 2026 quarter, can CSX hold intermodal volume growth near the 9 percent of the June quarter while revenue per box rises on rate rather than on the fuel surcharge?

Intermodal is now CSX's growth engine and simultaneously its cheapest freight. In 2025 it carried 48 percent of units but generated only 15 percent of revenue[1]; in the June 2026 quarter its revenue rose 26 percent on 9 percent more boxes, with revenue per unit reaching 783 dollars[6]. The awkward part sits directly beneath those headline numbers: management attributed the revenue-per-unit gain to the fuel surcharge, and total revenue per unit excluding fuel fell 1 percent year over year because intermodal grew at more than double the rate of the other business units[7]. The same growth that lifts revenue also dilutes yield, so whether the trade is worth making depends entirely on whether the tighter truck market eventually shows up in base rates.

The June quarter delivered both readings at once. Intermodal volume was 792 thousand units against 729 a year earlier, revenue was 620 million dollars against 491 million, and revenue per unit was 783 dollars against 674[6]; management credited the fuel surcharge for the revenue-per-unit gain, and locomotive fuel prices were up 74 percent in the quarter, which is consistent with that attribution[7]. The March 2026 quarter is the cleaner control: volume grew 6 percent while revenue per unit fell 1 percent to 684 dollars, with management pointing to growth in shorter-haul inland ports[14]. The plainest alternative to the truck-to-rail conversion story is therefore that CSX is winning boxes that are shorter, cheaper or discounted, and that the yield gain is diesel passing through rather than price actually being taken.

Management's own second-half commentary leans toward that alternative, because most 2026 renewals are already signed and truck rate flow-through takes time, so fuel and mix rather than price will drive revenue per unit[7]. Working against it is the fact that the capacity is genuinely new: the Howard Street Tunnel clearance is complete and the SMX service keeps ramping, and management said in July that the two together were then contributing about two percentage points of domestic intermodal growth[17]. Four things are therefore worth following this quarter: whether intermodal volume stays inside the 5 to 13 percent year-over-year band that the March and June quarters bracket; whether total revenue per unit excluding fuel returns to flat or positive even as intermodal again outgrows the other units; how far the locomotive fuel price increase narrows from 74 percent, since that is what strips the surcharge out of reported revenue per unit; and whether management names a quantified contribution from the Howard Street Tunnel and SMX rather than describing week-over-week momentum.

The observations that would falsify the current understanding are equally concrete. If volume keeps growing while ex-fuel revenue per unit falls again, share is being bought with mix; if truck capacity loosens before the 2027 domestic bid season, the repricing window closes before any of it is contracted; and if revenue per unit moves only with diesel while base rates stay flat, the profit contribution from intermodal growth has to be understood at a materially lower level[7].

In the September 2026 quarter, can CSX pull terminal dwell and carload trip plan performance back from the June quarter's deterioration without labour and purchased-services costs rising faster than the volume they carry?

The June 2026 quarter was the first real test of the cost programme. CSX absorbed 6 percent more volume with headcount below the prior year, and something had to give: terminal dwell lengthened from 10.4 hours to 11.0 hours, carload trip plan performance fell from 75 percent to 71 percent, intermodal trip plan performance slipped from 90 percent to 88 percent, while train velocity improved 3 percent[8]. That combination points at terminals and crew availability rather than at the line of road. It matters because service is exactly what the commercial team is selling against truck in the markets that are converting, and because the usual way to fix fluidity — crews, overtime, contractors — runs straight through the two expense lines that have been delivering the margin story.

Management's account is that demand arrived faster than expected during the summer vacation season, that crews were tight in some locations, that this is not a structural service issue, and that fluidity will improve sequentially with only a modest increase in team headcount; the operating team also listed what it achieved under the strain, namely average tonnage per merchandise train up 5 percent, a fourth consecutive quarter of better fuel efficiency at 0.94 gallons per thousand gross ton-miles, and a 19 percent improvement in the Federal Railroad Administration injury rate[18]. The expense bridge already puts the tension in plain sight: labor and fringe rose 40 million dollars year over year in the June quarter, with incentive compensation up 56 million dollars and inflation adding 32 million, partly offset by 48 million dollars of savings from lower headcount[16].

The competing reading is that CSX cut too deep before the volume arrived and now has to hire back, in which case service improves but the decline in non-fuel expense stops there. Third-party data is not currently on management's side: in the week ended 26 August 2026, CSX's Surface Transportation Board system speed eased from 23.1 miles per hour to 23.0 miles per hour and terminal dwell rose from 21.4 hours to 21.95 hours[19]. CSX does state, however, that its own velocity, dwell and trip plan methodology differs from the Board's, so that weekly series can be read for direction but not compared level-for-level with the quarterly disclosure[8].

Four things therefore need watching together this quarter: whether terminal dwell falls below 11.0 hours while carload trip plan performance rises above 71 percent in the same quarter; whether labor and fringe moves more than 3 percent sequentially once the disclosed incentive step-down and the 3.75 percent union wage increase effective 1 July are taken as roughly offsetting; whether purchased services and other still falls year over year in a quarter management has flagged for fewer property gains and heavier locomotive overhauls[9]; and how large the modest headcount addition turns out to be relative to the roughly 6 percent reduction the company was running with in June. Read the other way, if service improves but labour and contractor costs rise faster than volume, or if service deteriorates again without a weather or incident explanation, the current reading that fluidity is being restored through productivity rather than through spend is falsified.

In the September 2026 quarter, does CSX's operating margin hold near its first-half level once property gains fade and locomotive overhauls step up, and does free cash flow before dividends stay on the path to the full-year growth it has guided?

CSX raised its 2026 outlook in July to mid to high single digit revenue growth, operating margin expansion of more than 350 basis points and free cash flow growth of more than 80 percent, with capital spending still below 2.4 billion dollars[4]. The first half delivered against it: the operating margin was 36.0 percent in the March quarter[14] and 38.3 percent in the June quarter[3], against 32.1 percent for fiscal 2025 as a whole[11]. The quality of that step-up, however, is genuinely open. Part of it is a low base, since fiscal 2025 operating income absorbed a 164 million dollar Quality Carriers goodwill impairment[12]; part is non-recurring, since property disposition gains were 44 million dollars in the March quarter and 17 million in the June quarter against none and 8 million a year earlier[16]; and part is a fuel lag that management says reverses. The September quarter is the first in which management has pre-announced that the helpful items get smaller.

The recurring part of the mechanism is visible. In the June quarter total expense rose 138 million dollars, but fuel alone rose 177 million, so non-fuel expense fell 39 million dollars on 6 percent more volume; purchased services and other fell 66 million dollars with 54 million of that described as efficiency savings net of inflation, after a 158 million dollar decline in that line in the March quarter[16]. That is what produced 240 basis points of margin expansion[3] despite what management called 160 basis points of fuel price headwind[9].

The competing reading is that the first half flattered itself: 61 million dollars of property disposition gains across the two quarters, an insurance recovery on the Blue Ridge subdivision, and a depreciation study that cut depreciation by 16 million dollars in the quarter[16]. Management has been unusually specific about the third quarter: incentive compensation steps down sequentially but is largely offset by the 3.75 percent union wage increase from 1 July; property disposition gains and insurance recoveries inside purchased services are fewer and locomotive overhaul costs are higher in the second half than in the first; and the second-quarter fuel lag should go away, leaving performance a little better than typical seasonality — where typical seasonality is a modest deterioration in operating income from the second quarter to the third[9].

The cash comparison needs a similar discount. First-half free cash flow before dividends of 1,617 million dollars against 444 million a year earlier is inflated both by the 429 million dollars of previously postponed taxes paid in 2025 and by the end of Blue Ridge rebuild spending[15][13]. What to watch this quarter is therefore where the operating margin sits against the roughly 35.6 percent implied by full-year guidance, read sequentially rather than year over year because the September 2025 base carried that 164 million dollar impairment[12]; whether non-fuel expense falls year over year for a third straight quarter with smaller property gains inside it; how far the locomotive fuel price increase narrows from 74 percent, since that changes the revenue base the margin percentage is measured against; and where nine-month free cash flow before dividends and nine-month property additions stand against the below-2.4 billion dollar capital plan[4].

Risks and Falsifiers

The Surface Transportation Board's review of a proposed transcontinental combination between two rival railroads is redrawing the competitive map CSX operates in, and the cost has arrived first: advisory expense related to potential industry consolidation sits inside the 644 million dollars of purchased services and other recorded in the June 2026 quarter, while the competitive consequence is years away and unknowable from here[16]; over a longer horizon what is being rewritten is the routing and interchange economics behind 90 percent of revenue. What would falsify this concern is a Surface Transportation Board decision, or conditions attached to one, that fixes CSX's access and interchange rights, or a quarter in which management quantifies the advisory expense and states that it is ending[10].

The goodwill on Quality Carriers, the trucking segment, has now been written off entirely after impairments of 108 million dollars in 2024 and 164 million dollars in 2025, triggered by an extended trucking recession[12]. The same tightening truck market that is helping rail conversion should in theory help this unit too, but so far it has been a repeated source of charges rather than earnings: trucking revenue was 816 million dollars, or 6 percent of revenue, in 2025[1], and of the intangible assets left from the 2021 acquisition, 150 million dollars of customer relationships and 30 million dollars of trade names are still being amortised. What would falsify the current judgement is trucking revenue and segment expense showing the unit contributing positively for two consecutive quarters, or a disclosed decision on its future.

A third risk is that intermodal growth keeps arriving as shorter-haul, lower-rate business, so units and revenue rise while yield excluding fuel keeps falling and the incremental margin on the new freight stays thin. The exposed measure is the 620 million dollars of intermodal revenue in the June 2026 quarter and the consolidated revenue-per-unit line, where the ex-fuel measure already fell 1 percent year over year while total revenue per unit rose 4 percent on fuel[7]. The falsifying condition is clean: total revenue per unit excluding fuel is reported flat or higher year over year in the September 2026 quarter while intermodal again grows faster than the other business units[6].

A fourth risk is that restoring fluidity requires more crews, overtime and contractor support than the modest headcount addition management has described, so service recovers but the cost programme stalls. The exposed measures are labor and fringe of 831 million dollars and purchased services and other of 644 million dollars in the June 2026 quarter, together roughly 61 percent of total quarterly expense of 2,429 million dollars[3]. The falsifying condition is dwell falling below 11.0 hours and carload trip plan performance rising above 71 percent while labor and fringe is flat or lower sequentially and purchased services and other is again lower year over year[18].

The last risk is a reading risk: that the reported margin expansion is taken as recurring when a measurable part of it comes from a depressed fiscal 2025 base that carried a 164 million dollar goodwill impairment, from first-half property disposition gains, and from a fuel lag that management says reverses[12]. The exposed measures are operating income of 1,506 million dollars in the June 2026 quarter and the full-year outlook for more than 350 basis points of margin expansion against fiscal 2025 operating income of 4,521 million dollars on revenue of 14,092 million dollars[11]. The falsifying condition is an operating margin at or above 35.6 percent in the September 2026 quarter with property disposition gains below 17 million dollars and non-fuel expense again lower year over year[9].

What to Watch Next

On the quality of intermodal growth, the baselines are 792 thousand intermodal units and 783 dollars of revenue per unit in the June quarter, total revenue per unit excluding fuel down 1 percent year over year, and locomotive fuel prices up 74 percent. Watch whether volume stays inside the 5 to 13 percent band, whether the ex-fuel measure returns to flat or positive while intermodal still outgrows the other units, and how far the fuel price increase narrows. Volume that keeps growing while the ex-fuel measure falls again would falsify the conversion-yield story; an ex-fuel measure reported flat or higher would confirm that pricing is starting to work.

On the cost of restoring service, the baselines are terminal dwell of 11.0 hours, carload trip plan performance of 71 percent, labor and fringe of 831 million dollars and purchased services and other of 644 million dollars, the latter down 66 million dollars year over year. Watch whether dwell and trip plan performance recover in the same quarter, whether labor and fringe moves more than 3 percent sequentially once the incentive step-down and the 3.75 percent wage increase offset each other, and whether purchased services and other still falls year over year with fewer property gains and heavier overhauls inside it. Service deteriorating again without a weather or incident explanation would falsify the non-structural account; a sequentially flat or lower labor line alongside recovering service would confirm that the fix came from productivity.

On margin and cash quality, the baselines are a 38.3 percent operating margin, non-fuel expense down 39 million dollars year over year, property disposition gains of 17 million dollars, and first-half free cash flow before dividends of 1,617 million dollars against a capital plan below 2.4 billion dollars. Watch where the margin sits sequentially against the roughly 35.6 percent implied by full-year guidance, whether non-fuel expense falls for a third straight quarter with smaller property gains inside it, and how nine-month free cash flow and property additions track. A margin below that implied level once property gains have faded, or non-fuel expense turning higher year over year, would falsify the recurring-mechanism reading; a nine-month cash position that leaves the full-year target dependent on the fourth quarter alone would undercut the current pace.

Conclusion

CSX's business compresses into one sentence: a 20,000 route mile eastern network whose cost base is largely fixed within a quarter carries three kinds of freight with completely different unit economics, so incremental volume that fits into trains already running converts into operating income at a high rate. The company's current financial position is a sharp turn after four years of decline — revenue of 14,092 million dollars and a 32.1 percent operating margin in 2025, against operating margins of 36.0 percent and 38.3 percent in the first two quarters of 2026 and free cash flow before dividends jumping from 444 million dollars to 1,617 million. One relationship remains genuinely unresolved: the fastest-growing line of business is the one with the lowest revenue per unit, and the cost actions that are compressing expense have come at the price of a short-term deterioration in service metrics, so whether revenue, yield and cost can all hold at once has to be answered in a quarter that management has already pre-announced will contain smaller helpful items.

Two independent assessments published after the 22 July 2026 results land squarely on those two debates. Sasha Jovanovic of Simply Wall St treats the raised 2026 guidance as a genuine near-term catalyst for the efficiency story but argues that it does not remove key risks around project execution, severe weather disruption and exposure to volatile coal and fuel markets, so the conversion of operational gains into durable margin is not settled by the guidance itself[20]; notably, the fuel volatility that assessment independently identifies is the same swing factor management named for the third quarter. IndexBox, reading Surface Transportation Board weekly data, is colder: in the week ended 26 August 2026 CSX's system speed eased and terminal dwell lengthened, placing it among mixed rather than improving Class I performers two-thirds of the way through the September quarter, which cuts directly against management's commitment to sequential improvement, with the caveat that CSX states its own methodology differs from the Board's so the series is directional only[19]. The two do not contradict each other in direction: one says the durability of the margin is not proven by the outlook, the other says the service that underpins the margin has not yet turned, and together they point at the same question of whether this improvement is mechanical or conditional.

The combination that would materially strengthen the current understanding is therefore a September quarter in which the operating margin sits above the roughly 35.6 percent implied by full-year guidance while property disposition gains are below 17 million dollars and non-fuel expense falls year over year for a third straight quarter, terminal dwell returns below 11.0 hours and carload trip plan performance rises above 71 percent without labor and fringe stepping up sequentially, and total revenue per unit excluding fuel stops falling. The combination that would weaken it is the opposite: volume that keeps growing while the ex-fuel measure declines again, a service recovery bought with labour and contractor costs rising faster than volume, or nine-month free cash flow that pushes the full-year growth target onto the fourth quarter alone — any of which would mean the first-half step-up should be read as considerably less repeatable than it currently looks.

Sources

[1] CSX FY2025 10-K 2026-02-12 lines of business · 2026-02-12 · 10-K · https://www.sec.gov/Archives/edgar/data/277948/000027794826000006/0000277948-26-000006-index.htm

[2] Drillr earnings calendar snapshot 2026-09-15 · 2026-09-15 · earnings calendar

[3] CSX Q2 2026 10-Q 2026-07-22 results summary · 2026-07-22 · 10-Q · https://www.sec.gov/Archives/edgar/data/277948/000027794826000032/0000277948-26-000032-index.htm

[4] CSX Q2 2026 earnings call 2026-07-22 2026 outlook · 2026-07-22 · earnings-call · https://investors.csx.com/financials/quarterly-results/default.aspx

[5] Drillr analyst consensus snapshot 2026-09-15 · 2026-09-15 · Drillr aggregated analyst estimates · https://gateway.drillr.ai/mcp/private

[6] CSX Q2 2026 10-Q 2026-07-22 volume and revenue · 2026-07-22 · 10-Q · https://www.sec.gov/Archives/edgar/data/277948/000027794826000032/0000277948-26-000032-index.htm

[7] CSX Q2 2026 earnings call 2026-07-22 intermodal yield and mix · 2026-07-22 · earnings-call · https://investors.csx.com/financials/quarterly-results/default.aspx

[8] CSX Q2 2026 10-Q 2026-07-22 operating statistics · 2026-07-22 · 10-Q · https://www.sec.gov/Archives/edgar/data/277948/000027794826000032/0000277948-26-000032-index.htm

[9] CSX Q2 2026 earnings call 2026-07-22 third quarter cost cadence · 2026-07-22 · earnings-call · https://investors.csx.com/financials/quarterly-results/default.aspx

[10] CSX Q1 2026 earnings call 2026-04-22 industrial development and consolidation · 2026-04-22 · earnings-call · https://investors.csx.com/financials/quarterly-results/default.aspx

[11] CSX FY2025 10-K 2026-02-12 consolidated results · 2026-02-12 · 10-K · https://www.sec.gov/Archives/edgar/data/277948/000027794826000006/0000277948-26-000006-index.htm

[12] CSX FY2025 10-K 2026-02-12 Quality Carriers impairment · 2026-02-12 · 10-K · https://www.sec.gov/Archives/edgar/data/277948/000027794826000006/0000277948-26-000006-index.htm

[13] CSX FY2025 10-K 2026-02-12 free cash flow · 2026-02-12 · 10-K · https://www.sec.gov/Archives/edgar/data/277948/000027794826000006/0000277948-26-000006-index.htm

[14] CSX Q1 2026 10-Q 2026-04-22 results summary · 2026-04-22 · 10-Q · https://www.sec.gov/Archives/edgar/data/277948/000027794826000014/0000277948-26-000014-index.htm

[15] CSX Q2 2026 10-Q 2026-07-22 free cash flow · 2026-07-22 · 10-Q · https://www.sec.gov/Archives/edgar/data/277948/000027794826000032/0000277948-26-000032-index.htm

[16] CSX Q2 2026 10-Q 2026-07-22 expense detail · 2026-07-22 · 10-Q · https://www.sec.gov/Archives/edgar/data/277948/000027794826000032/0000277948-26-000032-index.htm

[17] CSX Q2 2026 earnings call 2026-07-22 Howard Street and SMX · 2026-07-22 · earnings-call · https://investors.csx.com/financials/quarterly-results/default.aspx

[18] CSX Q2 2026 earnings call 2026-07-22 service recovery · 2026-07-22 · earnings-call · https://investors.csx.com/financials/quarterly-results/default.aspx

[19] IndexBox weekly rail performance 2026-09-02 · 2026-09-02 · IndexBox · https://www.indexbox.io/blog/weekly-rail-performance-mixed-trends-across-class-i-railroads/

[20] Simply Wall St CSX narrative 2026-07-25 · 2026-07-25 · Simply Wall St · https://simplywall.st/stocks/us/transportation/nasdaq-csx/csx/news/csxs-strong-q2-and-margin-ambitions-could-be-a-game-changer