Boeing (BA) Q3 2026 earnings: 737 ramp slows, airplane margin -6.5%

Boeing's Q3 2026 earnings, released October 27, 2026 for the quarter ended September 30 in an earnings release, a 10-Q and a call, show a slower production ramp that delays the recovery in commercial airplane profits [1]. The quarter tested four questions: whether the 737 ramp yields steady deliveries, whether widebodies cause delivery gaps or program losses, whether the cash gain from customer advances lasts, and whether fixed-price defense losses have bottomed. 737 deliveries fell and margins weakened, 787 deliveries sat near the low end of guidance, and 777X work in process built faster. Cash stayed positive, but the full-year target depends on Q4. The 6.2% defense margin included a sale gain, with no large new program loss [2]. Demand and certification did not worsen; the slower ramp delayed the profit and cash improvement.

Boeing is one of the two large commercial jet makers and a major U.S. defense contractor. It books airplane revenue on customer acceptance, so deliveries drive revenue and fixed-cost absorption. Total backlog hit a record $745.4 billion [3].

737 rate 47 stability slips to 2027

Boeing delivered 124 737s in Q3, five fewer than in Q2 [1]. Management said rate 47 is not yet stable and full-year 737 deliveries will come in shy of 500 [4]; the 10-Q moves stability to 2027 [5]. CEO Kelly Ortberg named the wing shop as the bottleneck [6], and rate 52 is now planned for the second half of 2027 [7].

Certification was the positive step. The 737-7 was certified in Q3 and the 737-10 in October, with about 45 built aircraft in inventory [8]; management plans to deliver about 30 of them in 2027 [9].

Commercial Airplanes margin falls to -6.5%

Commercial Airplanes revenue was $10.72 billion, down 3% year over year, with a $697 million operating loss and a -6.5% margin versus -2.7% in Q2 [10][11]. Boeing decided in Q3 to delay 737 and 787 rate increases and raised supply chain cost estimates [12]; rolled into program estimates, these lowered the margin booked on each delivery [13]. No new reach-forward loss was involved: all $86 million of nine-month program losses were on the 767 [14][15].

The adjustment carries into later deliveries. Management targets about breakeven in early 2028 [16], six months after the mid-2027 turn to positive margins it described in Q1 [17]. 737 deferred production costs rose about $955 million in Q3 [18].

787 near its low end, 777X inventory up $1.24 billion

Boeing delivered 22 787s, and management expects the year near the low end of 90 to 100 [19]. The next rate step moved to December 2026 [20], and seat certification keeps deliveries uneven [21]. 777X work in process reached $7.608 billion, up $1.242 billion from June 30 [22], as Boeing builds about one a month before certification [23] and anticipates final-phase flight test approval by year end [24][25].

No new widebody loss was recorded, but the cushion is thin. Management said a 777X certification slip to mid-2027 fits within its cost estimate [26], and the 777 and 777X have near break-even gross margins [27]. A supplier's parts shortages disrupted 777 Freighter output, with abnormal costs expensed through the first half of 2027 [28]. Management sees 777X program cash turning positive in 2029 [29].

Full-year cash hinges on Q4 and the multi-year path moves later

Q3 free cash flow was $464 million after about $0.7 billion of Department of Justice settlement payments [30]. Advances and progress billings rose $3.443 billion [31], mainly from commercial order advances [32], offsetting a $2.818 billion rise in commercial program inventory [33]. Debt held at $45.9 billion [34].

Boeing narrowed 2026 free cash flow guidance to about $2 billion, assuming a Q4 KC-46A advance [35]. At -$359 million through nine months, Q4 needs about $2.36 billion. First multi-year targets are about $3 billion in 2027, $6 billion in 2028 and $10 billion in 2029 [36], assuming 777X certification by mid-2027 [37]. Management said 2027 order deposits will be a few billion dollars lower [38] and capex about $5 billion [39]. Ortberg called it roughly a one-year shift to the right from expectations [40].

Conclusion

Boeing's constraint is production, and demand remains ample. The 737 wing shop and the 787 rate step limit growth, profit conversion has moved to early 2028, and 2026 cash leans on advances, with the turning point in 2028 to 2029. Defense, at about 3% excluding the sale gain, was the bright spot [2]. The next report tests whether 737 deliveries return to 129 or more, the margin stops falling, 787 deliveries hold 90, the 777X gets final-phase approval by year end, and Q4 cash arrives.

Sources

• [1] BA 8-K filed 2026-10-27 · Exhibit 99.1 Q3 2026 earnings release · commercial deliveries Q3 2026

• [2] BA 8-K filed 2026-10-27 · Exhibit 99.1 Q3 2026 earnings release · Q3 2026 Defense, Space & Security

• [3] BA 8-K filed 2026-10-27 · Exhibit 99.1 Q3 2026 earnings release · total backlog

• [4] BA Q3 2026 earnings call 2026-10-27 · 737 delivery outlook

• [5] BA 10-Q filed 2026-10-27 · 737 program highlights

• [6] BA Q3 2026 earnings call 2026-10-27 · Q&A wings bottleneck

• [7] BA Q3 2026 earnings call 2026-10-27 · rate 52 plan

• [8] BA 10-Q filed 2026-10-27 · 737-7/-10 certification and inventory

• [9] BA Q3 2026 earnings call 2026-10-27 · 737-7/-10 inventory liquidation

• [10] BA 8-K filed 2026-10-27 · Exhibit 99.1 Q3 2026 earnings release · Q3 2026 Commercial Airplanes

• [11] BA 8-K filed 2026-07-28 · Q2 2026 Commercial Airplanes

• [12] BA 10-Q filed 2026-10-27 · BCA loss from operations drivers

• [13] BA Q3 2026 earnings call 2026-10-27 · BCA margin Q&A

• [14] BA 10-Q filed 2026-10-27 · cash flow statement

• [15] BA 10-Q filed 2026-10-27 · 767 program highlights

• [16] BA Q3 2026 earnings call 2026-10-27 · BCA margin outlook

• [17] BA Q1 2026 earnings call 2026-04-22 · BCA margin and cash Q&A

• [18] BA 10-Q filed 2026-10-27 · Note 7 737 deferred production

• [19] BA Q3 2026 earnings call 2026-10-27 · 787 delivery outlook

• [20] BA 10-Q filed 2026-10-27 · 787 program highlights

• [21] BA Q3 2026 earnings call 2026-10-27 · 787 delivery cadence

• [22] BA 10-Q filed 2026-10-27 · Note 7 777X inventory

• [23] BA Q3 2026 earnings call 2026-10-27 · 777X production plan

• [24] BA 10-Q filed 2026-10-27 · 777X certification

• [25] BA Q3 2026 earnings call 2026-10-27 · 777X flight test authorization

• [26] BA Q3 2026 earnings call 2026-10-27 · 777X EAC

• [27] BA 10-Q filed 2026-10-27 · 777 and 777X profitability

• [28] BA 10-Q filed 2026-10-27 · 777 supplier disruption

• [29] BA Q3 2026 earnings call 2026-10-27 · 777X program cash

• [30] BA 8-K filed 2026-10-27 · Exhibit 99.1 Q3 2026 earnings release · Table 2 cash flow

• [31] BA 8-K filed 2026-10-27 · Exhibit 99.1 Q3 2026 earnings release · balance sheet

• [32] BA 10-Q filed 2026-10-27 · Note 8 contracts with customers

• [33] BA 10-Q filed 2026-10-27 · Note 7 inventories

• [34] BA 8-K filed 2026-10-27 · Exhibit 99.1 Q3 2026 earnings release · Table 3 cash and debt

• [35] BA Q3 2026 earnings call 2026-10-27 · 2026 free cash flow guidance

• [36] BA Q3 2026 earnings call 2026-10-27 · multi-year free cash flow targets

• [37] BA Q3 2026 earnings call 2026-10-27 · FCF plan assumptions

• [38] BA Q3 2026 earnings call 2026-10-27 · 2027 deposits Q&A

• [39] BA Q3 2026 earnings call 2026-10-27 · capex outlook

• [40] BA Q3 2026 earnings call 2026-10-27 · FCF trajectory Q&A