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Boeing Updates B777X Performance Figures

July 10, 2026

2 min read

Key Takeaways

Boeing has quietly updated the advertised range of the B777X aircraft.
The B777-9 range has increased by 715 nm (1,324 km) to 8,000 nm.
The B777-8 range has increased by 755 nm (1,398 km) to 9,500 nm.
Maximum passenger capacity has also been revised upwards for both models.

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Strategic Implications

These updates may indicate Boeing's efforts to enhance the competitiveness of the B777X against rival Airbus models, such as the A350-1000ULR. The range improvements could make the B777X more attractive to airlines planning long-haul routes, which suggests a potential shift in market dynamics.

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What Happened

Unannounced Changes Bring Range And Passenger Capacity Boosts

Boeing appears to have updated the advertised performance of its B777X aircraft, including range and passenger capacity improvements. The changes, which have not been officially announced, include a 10% increase in range for the B777-9 and an 8.6% increase for the B777-8. The B777-8 Freighter has also seen a significant boost in advertised range. Industry analysts note that these improvements may have been achieved through efficiency gains rather than structural modifications. The B777X program continues to face delays, with certification expected by early 2027 for the B777-9 and potentially two to three years later for the B777-8. This development was first reported by AeroTime.

Source | Originally Published: July 10, 2026

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