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 787-9	Boeing 737-800
Total seats	239	165
Cabin split	28J · 21W · 190Y	20W · 145Y
Row span	rows 1–59	rows 1–39
Geometry	Per-seat geometry	Configuration geometry
Layout updated	2026-08-16	2026-08-16

Cabin-by-cabin comparison

Boeing 787-9

Business28 seats · 4 layout
Premium Economy21 seats · 2-3-2 layout
Economy190 seats · 2-4-2 layout

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.