Compare Japan Airlines seat maps

Compare available configurations side by side. Enter a seat such as 12A to see whether that position exists in both layouts and how its cabin, position, and warnings differ.

First configurationSecond configurationSeat (optional)

Measure	Boeing 777-300ER	Boeing 737-800
Total seats	244	165
Cabin split	8F · 49J · 40W · 147Y	20W · 145Y
Row span	rows 1–57	rows 1–39
Geometry	Per-seat geometry	Configuration geometry
Layout updated	2026-08-16	2026-08-16

Cabin-by-cabin comparison

Boeing 777-300ER

First8 seats · 1-2-1 layout · 80" pitch · 22.8" wide
Business49 seats · 2-3-2 layout · 74" pitch · 25.5" wide
Premium Economy40 seats · 2-4-2 layout · 42" pitch · 19" wide
Economy147 seats · 3-3-3 layout · 33-34" pitch · 19" wide

Boeing 737-800

Class J20 seats · 2-3 layout · 38" pitch · 18.5" wide
Economy Class145 seats · 3-3 layout · 31" pitch · 17.3" wide

Always confirm the total seats, cabin split, and row range against your booking screen. Airlines can swap aircraft or configurations before departure.