Boeing 777-300ER Seat Map
The key question before booking a 777-300ER: is your airline using a 3-3-3 (Delta/United — 18-in seats) or 3-4-3 (American — 17-in seats) economy layout?
Critical Check Before You Book
- Delta & United: 3-3-3 economy (9 abreast) → 18-inch seats ✓
- American: 3-4-3 economy (10 abreast) → 17-inch seats — avoid center 4-seat block
- Best seat on any config: Window seat in 3-seat side section (A or K)
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