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Seats Frog guide

Japan Airlines Airbus A350-900 seat map

JAL's domestic A350-900 (X12) seats 391: 12 in First (2-2-2, rows 1-2), 56 Class J and 323 Economy.

X12 domestic, 12 First · 56 Class J · 323 Economy✓ Checked against Japan Airlines's seat map · October 2026

Cabins at a glance

  • First

    First Class

    12seats · 2-2-2

    Recliner · rows 1–2

    Best pick: row 1, seat AFirst seat in a two-row cabin of twelve.

  • Premium Economy

    Class J

    56seats · 2-4-2

    Recliner · rows 5–12

    Best pick: row 8, seat AClass J window seat in the middle of the forward cabin.

  • Economy

    Economy Class

    323seats · 3-3-3

    Standard seat · rows 20–61

    Best pick: row 45, seat BExit-row seat with open space ahead.

Seat map

Green seats are good, amber are a trade-off, red are best avoided. Hover over or tap a seat to see why.

Front of aircraft

Galley
Lavatory

First Class

2-2-2 · Recliner

1
Bulkhead
2

Class J

2-4-2 · Recliner

5
Bulkhead
6
7
8
9
10
11
12
Lav
Lavatory
Galley
Lavatory

Economy Class

3-3-3 · Standard seat

20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Exit
45
Exit
46
47
48
49
50
51
52
53
54
55
56
57
58
59
Lav
Lavatory
60
61
Lav
Lavatory
Galley
Lavatory

Back of aircraft

Seat map updated October 2026. Rows and seats are as Japan Airlines's own seat map shows them. Airlines change layouts and swap aircraft, so check the seat map in your booking too.

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Cabins

CabinSeatsRowsLayoutSeat
First Class
121–22-2-2Recliner
Class J
565–122-4-2Recliner
Economy Class
32320–613-3-3Standard seat

Best and worst seats

Best seats

  • Row 1, seat A · First Class

    First seat in a two-row cabin of twelve.

  • Row 8, seat A · Class J

    Class J window seat in the middle of the forward cabin.

  • Row 45, seat B · Economy Class

    Exit-row seat with open space ahead.

Trade-offs

  • Row 1, seats C, D, G, H and K · First Class

    Bulkhead row, so nobody reclines into you

  • Row 5, seats A, C, H and K · Class J

    Bulkhead row, so nobody reclines into you

  • Row 45, seats A, C, D, E, G, H, J and K · Economy Class

    Bulkhead row, so nobody reclines into you

Seats to avoid

  • Row 12, seats D, E, F and G · Class J

    Next to a lavatory, with queues, noise and flushing

  • Row 39, seat A · Economy Class

    Economy window seat that JAL lists as having no window.

  • Row 39, seat K · Economy Class

    Window seat that JAL lists as having no window and no recline.

  • Row 59, seats A, B, C, D, E, G, H, J and K · Economy Class

    Next to a lavatory, with queues, noise and flushing

  • Row 60, seat A · Economy Class

    Near the back, beside the rear lavatories.

  • Row 61, seats D, E and G · Economy Class

    Next to a lavatory, with queues, noise and flushing

Quick answers

How many seats does Japan Airlines's Airbus A350-900 (X12 domestic, 12 First · 56 Class J · 323 Economy) have?

Japan Airlines's Airbus A350-900 (X12 domestic, 12 First · 56 Class J · 323 Economy) has 391 seats: 12 in First Class, 56 in Class J and 323 in Economy Class.

What are the best Economy seats on Japan Airlines's Airbus A350-900 (X12 domestic, 12 First · 56 Class J · 323 Economy)?

On Japan Airlines's Airbus A350-900 (X12 domestic, 12 First · 56 Class J · 323 Economy), the best Economy seats are row 45, seat B (exit-row seat with open space ahead.).

Which seats should I avoid on Japan Airlines's Airbus A350-900 (X12 domestic, 12 First · 56 Class J · 323 Economy)?

On Japan Airlines's Airbus A350-900 (X12 domestic, 12 First · 56 Class J · 323 Economy), avoid row 12, seats D, E, F and G (next to a lavatory, with queues, noise and flushing), row 39, seat A (economy window seat that JAL lists as having no window.) and row 39, seat K (window seat that JAL lists as having no window and no recline.).

What is First Class like on Japan Airlines's Airbus A350-900 (X12 domestic, 12 First · 56 Class J · 323 Economy)?

First Class on Japan Airlines's Airbus A350-900 (X12 domestic, 12 First · 56 Class J · 323 Economy) has 12 seats, rows 1 to 2, in a 2-2-2 layout (recliner). The pick: row 1, seat A (first seat in a two-row cabin of twelve.).

What is Class J like on Japan Airlines's Airbus A350-900 (X12 domestic, 12 First · 56 Class J · 323 Economy)?

Class J on Japan Airlines's Airbus A350-900 (X12 domestic, 12 First · 56 Class J · 323 Economy) has 56 seats, rows 5 to 12, in a 2-4-2 layout (recliner). The pick: row 8, seat A (class J window seat in the middle of the forward cabin.).

How much legroom is there in Economy on Japan Airlines's Airbus A350-900 (X12 domestic, 12 First · 56 Class J · 323 Economy)?

Japan Airlines doesn't publish the Economy seat pitch for this layout; the exit rows and bulkheads have the most legroom.

Read on

Seats Frog compiles seat maps from what airlines publish about their cabins and rates the seats with the same rules on every aircraft. Spotted a wrong row? Tell us and we'll correct it.