A350-900 vs 777-9 (777X)
The A350-900 leads, topping 3 of 7 compared metrics.
Cross-shopping the Airbus A350-900 (introduced 2015) against the Boeing Commercial Airplanes 777-9 (777X) (introduced 2026) is a common decision, and the two sit closer on paper than the badges suggest. Both are commercial, which makes them natural cross-shopping rivals. The clearest separation between them is range, where the A350-900 has the advantage. Below we compare them spec by spec, then break down which aircraft suits which mission.
6 more specs per aircraft — ceiling, climb, cabin, dimensions and more — are free with an account.
A350-900 vs 777-9 (777X): the key differences
- The A350-900 delivers 11% more range (A350-900: 8,100 nm; 777-9 (777X): 7,285 nm).
- The A350-900 delivers 7% more cruise speed (A350-900: 521 kt; 777-9 (777X): 488 kt).
- The A350-900 delivers 3% more passenger capacity (A350-900: 440 seats; 777-9 (777X): 426 seats).
- The 777-9 (777X) is the newer design (introduced 2026 versus 2015 for the A350-900), a gap of 11 years that usually shows up in avionics, cabin systems and fuel burn.
- The 777-9 (777X) is the larger aircraft by maximum takeoff weight (775,000 lbs versus 617,295 lbs), which typically buys more cabin and payload at the cost of higher trip economics.
Which mission suits which aircraft
Both aircraft are built for nonstop ultra-long-haul routes, so outright range rarely separates them — the call leans on cabin (the A350-900 seats more), trip economics and what is actually available on the market. Match the airframe to how you fly most weeks, not to the headline range figure.
Which should you choose?
On published specifications the A350-900 leads on both range and cabin capacity, so it suits operators who want maximum mission flexibility from a single airframe. The 777-9 (777X) can still be the smarter buy on acquisition cost, operating economics, runway performance, or current availability — the factors that rarely show up in a spec sheet. Our acquisition advisory team can model both against your actual mission profile before you commit.
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A350-900 vs 777-9 (777X): FAQs
Which has the longer range, the A350-900 or the 777-9 (777X)?
The A350-900 has the longer published range — 8,100 nm versus 7,285 nm for the 777-9 (777X).
Does the A350-900 or 777-9 (777X) seat more passengers?
The A350-900 carries more passengers at maximum configuration — up to 440 seats, compared with 426 on the 777-9 (777X).
Which is faster, the A350-900 or the 777-9 (777X)?
The A350-900 cruises faster, at 521 kt versus 488 kt for the 777-9 (777X).
Which is newer, the A350-900 or the 777-9 (777X)?
The 777-9 (777X) is the newer design, introduced in 2026 versus 2015 for the A350-900.
Is the A350-900 or the 777-9 (777X) the larger aircraft?
By maximum takeoff weight the 777-9 (777X) is the larger aircraft — 775,000 lbs versus 617,295 lbs for the A350-900.
Should I buy the A350-900 or the 777-9 (777X)?
On published specifications the A350-900 leads on both range and cabin capacity, so it suits operators who want maximum mission flexibility from a single airframe. The 777-9 (777X) can still be the smarter buy on acquisition cost, operating economics, runway performance, or current availability — the factors that rarely show up in a spec sheet. Our acquisition advisory team can model both against your actual mission profile before you commit.
Still weighing up the A350-900 vs 777-9 (777X)?
Specs only take you so far. Our advisors give an independent recommendation based on your mission, budget and how you actually fly — and represent your side through to purchase.