nkSeat 21F · Delta Airlines Boeing 737-900ER (739)
Economy · Updated July 14, 2026 · View full seat map
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Lav
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Closet
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Galley
Galley
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Galley
1C
1D
2C
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5D
Closet
11D
11E
11F
12D
12E
12F
13D
13E
13F
14D
14E
14F
15D
15E
15F
16D
16E
16F
17D
17E
17F
18D
18E
18F
Exit
19D
19E
19F
Exit
20D
20E
21D
21E
21F
22D
22E
22F
23D
23E
23F
24D
24E
24F
25D
25E
25F
26D
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26F
27D
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28D
28E
28F
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29F
30D
30E
30F
31D
31E
31F
32D
32E
32F
33D
33E
33F
34D
34E
34F
35D
35E
35F
36D
36E
36F
37D
37E
37F
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Exit
Galley
Cabin details
- Wi-Fi
- IFE
- Power
Economy
- Seatstandard
- Pitch30-31
- Width17.3"
- Recline3"
- Materialleather
- IFEseatback
- Screen6"
- Air ventssingle
- Tray tableseatback
- Poweroutlet and USB, USB-A, 110/220v plug
- Under-seat20in x 14in x 7in
- Adjustable headrest
Reviews for seat 21F
- ★★★★★anonymous
There is definitely under seat storage during takeoff.
Your under seat storage is under 19F as there’s no seat in front of you. Also, if you recline your seat on any flight you are an a-hole.
- ★★★★seatlink
Good seat with some minor issues, has extra legroom; no under-seat stowage during takeoff and landing; traytable in armrest means narrower seat; may be missing an armrest; cushion may be very firm.