Boeing Commercial Airplanes
777-9 (777X)
The Boeing 777-9 is the larger of two 777X variants and the world's largest twin-engine commercial airliner, featuring a new composite wing with folding wingtips and GE9X high-bypass turbofan engines that deliver approximately 10% lower fuel burn than the 777-300ER. Following extensive delays, FAA certification was achieved in 2025 and entry into service with Lufthansa is anticipated in 2026. It carries up to 426 passengers in a typical two-class configuration across ranges up to 7,285 nm.
- World's largest twin-engine airliner
- Folding wingtip technology for gate compatibility
- New GE9X high-bypass engines
- Composite wing for ~10% fuel savings vs 777-300ER
- Up to 426 seats in two-class layout
- Range up to 7,285 nm
777-9 (777X) key specifications
- Range
- 7,285 nm
- Cruise speed
- 488 kts
- Passengers
- up to 426
- Max take-off weight
- 775,000 lb
- Engines
- 2 × Turbofan
About the 777-9 (777X)
Introduced in 2026 in the United States, the Boeing Commercial Airplanes 777-9 (777X) is a commercial airliner from the Boeing 777X family built for high-capacity scheduled passenger service. It is one of the more recent designs in its class.
On performance, it offers a maximum range of about 7,285 nautical miles and a cruise of roughly 488 knots. It seats up to 426 passengers and is powered by 2 General Electric GE9X-105B1A engines.
Its 7,285 nm range makes it well matched to nonstop ultra-long-haul sectors. It is flown by a two-pilot crew and is approved for IFR flight. For buyers weighing the 777-9 (777X), compare its specifications and operating profile against the closest alternatives below before requesting a quote.
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Performance
Full specifications
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Value & depreciation
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How the 777-9 (777X) compares
Side by side with the most similar commercial.
Boeing Commercial Airplanes
777-9 (777X)
Boeing Commercial Airplanes
777-300ER
Airbus
A340-600
McDonnell Douglas
MD-11
6 more specs per aircraft — ceiling, climb, cabin, dimensions and more — are free with an account.
Beyond the spec sheet
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