What aircraft and total seat count are listed for Delta Air Lines flight DL20?

Flight DL20 uses an Airbus A330-200 with 223 seats.

What is the average seat rating on DL20?

The 223 seats on the Delta Air Lines Airbus A330-200 flying DL20 average 5.9 out of 10 for comfort. By cabin: Delta One 5.9, Delta Premium Select 6.6 and Delta Main 5.8. 19 seats rate Good or better, and 28 rate below average.

Which Delta Main seats are in exit row 38 on flight DL20?

The exit-row seats are 38A, 38B, 38H, and 38J.

What route does DL20 fly?

DL20 is the Delta Air Lines flight from Seattle (SEA, Seattle-Tacoma International) to London (LHR, London Heathrow), flown on the Airbus A330-200. It takes about 10h 20m for 7,702 km (4,786 miles), estimated from the great-circle distance.

Which Delta Premium Select window seats on DL20 have a wing in the window view?

The seats are 20A, 20J, 21A, 21J, 22A, and 22J.

Can I check real-time seat availability on DL20?

Yes. Open DL20 in the live seat map and choose your travel date to see which seats are still open on that day, each coloured by its comfort score.

Which Delta One seats on DL20 are near a galley or lavatory?

Seats 6A, 6C, 6G, 6J, 7A, 7C, 7G, and 7J are near a galley. Seats 1C and 1G are near a lavatory.

DL20 seat map

Delta Air Lines Airbus A330-200, 3 classes, from Seattle (SEA) to London (LHR)

Departs: Seattle (SEA); Seattle-Tacoma International, United States
Arrives: London (LHR); London Heathrow, United Kingdom
Flight time: About 10h 20m; Estimated from 7,702 km (4,786 miles)
Aircraft: Airbus A330-200; 3 classes, 1 deck

Your flight date

Check live availability

DL20 is the Delta Air Lines flight from Seattle (SEA) to London (LHR), scheduled on an Airbus A330-200 with 223 seats in 3 classes: 34 in Delta One, 21 in Delta Premium Select and 168 in Delta Main. The best seats are 2A in Delta One, 20B in Delta Premium Select and 30B in Delta Main. Avoid row 51 at the back of Delta Main: near the galley.

DL20 interactive seat map

Select a seat for its comfort score and what to watch out for. Colours show comfort, not availability.

Seat scores on DL20

Covers all 223 seats on the aircraft.

Excellent9.0+0 seats
Good7.0 to 8.919 seats
Fair5.0 to 6.9176 seats
Below average3.0 to 4.913 seats
Poorunder 3.015 seats

Scores weigh legroom, recline, window position and distance from galleys, lavatories and exits. Seat-map glossary

Best in Delta One
Fair6.0 / 10
Window seat
Best in Delta Premium Select
Good8.8 / 10
Aisle seat, extra legroom, no floor storage
Best in Delta Main
Good8.8 / 10
Aisle seat, extra legroom, no floor storage, tray in armrest

Seat data verified September 26, 2026. How we verify seat data

Which plane is DL20 on?

The aircraft and layout our seat map for DL20 comes from.

Date	Mon, Mar 15
Aircraft	Airbus A330-200
Layout	34J, 21W, 168Y (223 seats)

Airlines can swap planes close to departure, so confirm the aircraft at check-in.

DL20 airports

Where the flight leaves from and lands.

Departure: Seattle-Tacoma International SEA; Seattle, United States
Arrival: London Heathrow LHR; London, United Kingdom

Seats by cabin on DL20

How the 223 seats on this aircraft split by cabin.

Delta One34 seats
Delta Premium Select21 seats
Delta Main168 seats

Open seats change daily. Check live availability for your date

Best seats on DL20

The top seats in every cabin, the ones to skip, and the pick for what matters to you.

Best seats on every aircraft

Comfort score out of 10Excellent9.0+Good7.0 to 8.9Fair5.0 to 6.9Below average3.0 to 4.9Poorunder 3.0

Delta One

Rows 1 to 9, 34 seats

Top picks

Window seatFair6.0 / 10
Window seatFair6.0 / 10
Window seatFair6.0 / 10

Seats to avoid

Aisle seat, near lavatoryBelow average4.2 / 10
Aisle seat, near lavatoryBelow average4.2 / 10

Best for

Window
Aisle
Sleep
Couples

Delta Premium Select

Rows 20 to 22, 21 seats

Top picks

Aisle seat, extra legroom, no floor storageGood8.8 / 10
Aisle seat, extra legroom, no floor storageGood8.8 / 10
Aisle seat, extra legroom, no floor storageGood8.8 / 10

Seats to avoid

Window seat, extra legroom, no floor storage, wing in windowBelow average4.2 / 10
Window seat, extra legroom, no floor storage, wing in windowBelow average4.2 / 10

Best for

Window
Aisle
Extra legroom
Sleep
Couples

Delta Main

Rows 30 to 51, 168 seats

Top picks

Aisle seat, extra legroom, no floor storage, tray in armrestGood8.8 / 10
Aisle seat, extra legroom, no floor storage, tray in armrestGood8.8 / 10
Aisle seat, extra legroom, no floor storage, tray in armrestGood8.8 / 10

Seats to avoid

Window seat, near galleyPoor2.1 / 10
Aisle seat, near galleyPoor2.1 / 10
Aisle seat, near galleyPoor2.1 / 10

Best for

Window
Aisle
Extra legroom
Sleep
Couples

Row-by-row notes for DL20

The rows worth knowing about before you choose, from the Airbus A330-200 cabin layout. New to terms like bulkhead or pitch? See the seat-map glossary.

Row 1Delta One. First row of the cabin: near the lavatories.
Rows 6 to 7Delta One. Near the galley.
Row 9Delta One. Last row of the cabin.
Row 20Delta Premium Select. First row of the cabin: extra legroom; no floor storage.
Row 22Delta Premium Select. Last row of the cabin.
Row 30Delta Main. First row of the cabin: extra legroom; no floor storage and tray table in the armrest.
Row 37Delta Main. Limited recline: the row sits in front of an exit row. Also near the lavatories.
Row 38Delta Main. Exit row: extra legroom; no floor storage and tray table in the armrest.
Row 50Delta Main. Near the galley.
Row 51Delta Main. Last row of the cabin: near the galley.

Cabins on DL20

Layout, legroom and amenities in each class on the Delta Air Lines Airbus A330-200.

Compare Wi-Fi and entertainment across airlines

Delta One

Rows 1 to 9, 34 seats

Layout: 1-2-1

Delta Premium Select

Rows 20 to 22, 21 seats

Layout: 2-3-2

Delta Main

Rows 30 to 51, 168 seats

Layout: 2-4-2

Sold as Delta Comfort, Delta Main and Main Cabin.

DL20 questions

Flying DL20? Answered.

The aircraft, the cabins and the seats on this flight, answered from its seat map data.

The highest-rated seat on DL20 is 20B in Delta Premium Select, with a comfort score of 8.8 out of 10: aisle seat, extra legroom, no floor storage. In the other cabins, the best seats are 2A in Delta One (6.0) and 30B in Delta Main (8.8).

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