777X Family
Boeing's next-generation widebody with folding composite wings and GE9X engines, the 777-8 and the high-capacity 777-9.
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777X Family at a glance
Variants
2
Seats
384-426
Max Range
8,745
First Entry
Expected 2027
The Boeing 777X is the latest 777 generation, with all-new composite folding-tip wings, GE9X engines and 787-derived cabin technology. It comprises the high-capacity 777-9 and the longer-range 777-8, plus a 777-8 freighter.
The programme has been heavily delayed; as of mid-2026 no 777X has entered service, with first delivery of the 777-9 to launch customer Lufthansa expected in 2027. Below, each variant is compared side by side; the rest of the page covers orders and the latest 777X news from AeroTime.
Variant comparison
| Specification | Boeing 777-9 | Boeing 777-8 |
|---|---|---|
| Typical seats (2-class) | 384-395 | 384-395 |
| Maximum seats | 426 | 395 |
| Range | 7,285 | 8,745 |
| Length | 76.7 m | 69.8 m |
Full specifications
Manufacturer
Boeing
Body Type
Widebody
Engines
General Electric GE9X
Seat Range
384-426
Range
7,285-8,745
Common type rating
Shared across the 777 family
First entry into service
Expected 2027
Predecessor
Boeing 777
Operators
Airlines currently operating or having ordered
the 777X Family include:
Frequently asked questions
Is the Boeing 777X in service yet?
No. As of mid-2026 the 777X is still in certification; Boeing expects first delivery of the 777-9 to Lufthansa in 2027.
What is the difference between the 777-8 and 777-9?
The 777-9 is longer and carries more passengers (around 426); the 777-8 is shorter and flies farther, up to 8,745.