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DAL20

SEA → LHR · AIRBUS A-330-900 · Delta Air Lines

For travellers

Arrival · London (LHR)

Terminal 3
Scheduled 26 Sep 15:35
Board status: Landed 14:59, bags delivered on belt 03
Landed 26 Sep 07:57 (estimated)

Board data from heathrow, updated 8631 min ago; times local to each airport.

Flight

Status
Incomplete (signal lost)
Departure
Seattle Tacoma International Airport (SEA) — Seattle, United States
Departed
2026-09-26 05:05 UTC
Arrival
London Heathrow Airport (LHR) — London, United Kingdom (scheduled)
Scheduled arrival
2026-09-26 14:35 UTC
Also flies as
DL20
Codeshares
AF3603, KL6021, SK3986, SV4417, VS4037
Distance flown
1676 km
Straight-line distance
7702 km

Aircraft

Registration
N428DX
Type
AIRBUS A-330-900
Seats
281 total (168 Economy, 56 Delta Comfort+, 28 Delta Premium Select, 29 Delta One)

Altitude & speed

Max altitude
37,000 ft
Max ground speed
540 kt
Tracked
1h 51m · 1,671 km
Altitude (ft, max 37,000)
019,98039,9600m30m1h 0m1h 30m
Ground speed (kt, max 540)
02925830m30m1h 0m1h 30m
Altitude (ft, max 37,000)
019,98039,9600m1h 0m
Ground speed (kt, max 540)
02925830m1h 0m

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

Delta Air Lines (DAL)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-10-03 13:43 UTC DAL20 SEA → LHR
Seattle → London
 N402DX AIRBUS A-330-900 Completed 996 km
2026-10-03 06:16 UTC DAL20 SEA → LHR
Seattle → London
 N402DX AIRBUS A-330-900 Incomplete (signal lost) ~7927 km est. (1682 km recorded)
2026-10-02 05:06 UTC DAL20 SEA → LHR
Seattle → London
 N403DX AIRBUS A-330-900 Completed 8147 km
2026-10-01 05:00 UTC DAL20 SEA → LHR
Seattle → London
 N407DX AIRBUS A-330-900 Completed 8194 km
2026-09-29 04:56 UTC DAL20 SEA → LHR
Seattle → London
 N408DX AIRBUS A-330-900 Completed 7960 km
2026-09-28 12:44 UTC DAL20 SEA → LHR
Seattle → London
 N408DX AIRBUS A-330-900 Completed 1021 km
2026-09-28 05:17 UTC DAL20 SEA → LHR
Seattle → London
 N408DX AIRBUS A-330-900 Incomplete (signal lost) ~7936 km est. (1699 km recorded)
2026-09-27 05:12 UTC DAL20 SEA → LHR
Seattle → London
 N412DX AIRBUS A-330-900 Completed 8152 km
2026-09-26 12:41 UTC DAL20 SEA → LHR
Seattle → London
 N428DX AIRBUS A-330-900 Completed 1023 km
2026-09-26 05:05 UTC DAL20 SEA → LHR
Seattle → London
 N428DX AIRBUS A-330-900 Incomplete (signal lost) ~7894 km est. (1676 km recorded)
2026-09-25 12:38 UTC DAL20 SEA → LHR
Seattle → London
 N433DX AIRBUS A-330-900 Completed 1020 km
2026-09-25 05:10 UTC DAL20 SEA → LHR
Seattle → London
 N433DX AIRBUS A-330-900 Incomplete (signal lost) ~7850 km est. (1752 km recorded)
2026-09-24 05:01 UTC DAL20 SEA → LHR
Seattle → London
 N404DX AIRBUS A-330-900 Completed 7867 km
2026-09-23 05:23 UTC DAL20 SEA → LHR
Seattle → London
 N414DZ AIRBUS A-330-900 Completed 7858 km
2026-09-22 05:07 UTC DAL20 SEA → LHR
Seattle → London
 N409DX AIRBUS A-330-900 Completed 7920 km
2026-09-21 05:22 UTC DAL20 SEA → LHR
Seattle → London
 N438DX AIRBUS A-330-900 Completed 7821 km
2026-09-20 04:59 UTC DAL20 SEA → LHR
Seattle → London
 N416DX AIRBUS A-330-900 Completed 8022 km
2026-09-19 05:28 UTC DAL20 SEA → LHR
Seattle → London
 N422DZ AIRBUS A-330-900 Completed 8251 km
2026-09-18 05:15 UTC DAL20 SEA → LHR
Seattle → London
 N411DX AIRBUS A-330-900 Completed 8232 km
2026-09-17 05:43 UTC DAL20 SEA → LHR
Seattle → London
 N429DX AIRBUS A-330-900 Completed 8345 km
2026-09-16 04:59 UTC DAL20 SEA → LHR
Seattle → London
 N419DX AIRBUS A-330-900 Completed 8273 km
2026-09-15 05:10 UTC DAL20 SEA → LHR
Seattle → London
 N406DX AIRBUS A-330-900 Completed 8089 km
2026-09-14 05:16 UTC DAL20 SEA → LHR
Seattle → London
 N428DX AIRBUS A-330-900 Completed 8294 km
2026-09-13 05:20 UTC DAL20 SEA → LHR
Seattle → London
 N416DX AIRBUS A-330-900 Completed 8617 km
2026-09-12 04:57 UTC DAL20 SEA → LHR
Seattle → London
 N416DX AIRBUS A-330-900 Completed 8227 km
2026-09-11 04:57 UTC DAL20 SEA → LHR
Seattle → London
 N416DX AIRBUS A-330-900 Completed 8031 km
2026-09-10 05:11 UTC DAL20 SEA → LHR
Seattle → London
 N433DX AIRBUS A-330-900 Completed 8005 km
2026-09-09 12:46 UTC DAL20 SEA → LHR
Seattle → London
 N411DX AIRBUS A-330-900 Completed 1176 km
2026-09-08 05:07 UTC DAL20 SEA → LHR
Seattle → London
 N428DX AIRBUS A-330-900 Incomplete (signal lost) 7500 km
2026-09-07 14:14 UTC DAL20 LCY → LCY
London → London
 N407DX AIRBUS A-330-900 Completed ~14 km est. (4 km recorded)
2026-09-07 05:03 UTC DAL20 SEA → LHR
Seattle → London
 N407DX AIRBUS A-330-900 Completed 8110 km
2026-09-06 05:04 UTC DAL20 SEA → LHR
Seattle → London
 N437DX AIRBUS A-330-900 Completed 8117 km
2026-09-05 05:17 UTC DAL20 SEA → LHR
Seattle → London
 N437DX AIRBUS A-330-900 Completed 8017 km
2026-09-04 05:37 UTC DAL20 SEA → LHR
Seattle → London
 N401DZ AIRBUS A-330-900 Completed 8150 km
2026-09-03 05:11 UTC DAL20 SEA → LHR
Seattle → London
 N410DZ AIRBUS A-330-900 Completed 8046 km
2026-09-02 05:20 UTC DAL20 SEA → LHR
Seattle → London
 N414DZ AIRBUS A-330-900 Completed 7981 km
2026-09-01 05:22 UTC DAL20 SEA → LHR
Seattle → London
 N435DX AIRBUS A-330-900 Completed 7965 km
2026-08-31 04:52 UTC DAL20 SEA → LHR
Seattle → London
 N409DX AIRBUS A-330-900 Completed 8170 km
2026-08-30 05:25 UTC DAL20 SEA → LHR
Seattle → London
 N433DX AIRBUS A-330-900 Completed 8108 km
2026-08-29 14:06 UTC DAL20 SEA → ?
Seattle → ?
 — — Incomplete (signal lost) 17 km
2026-08-29 05:21 UTC DAL20 SEA → LHR
Seattle → London
 N428DX AIRBUS A-330-900 Completed 8128 km
2026-08-28 05:11 UTC DAL20 SEA → LHR
Seattle → London
 N436DX AIRBUS A-330-900 Completed 7982 km
2026-08-27 05:06 UTC DAL20 SEA → LHR
Seattle → London
 N432DX AIRBUS A-330-900 Completed 8101 km
2026-08-26 05:07 UTC DAL20 SEA → LHR
Seattle → London
 N414DZ AIRBUS A-330-900 Completed 8064 km
2026-08-25 05:23 UTC DAL20 SEA → LHR
Seattle → London
 N414DZ AIRBUS A-330-900 Completed 7960 km
2026-08-24 05:00 UTC DAL20 SEA → LHR
Seattle → London
 N434DX AIRBUS A-330-900 Completed 8248 km
2026-08-23 04:47 UTC DAL20 SEA → LHR
Seattle → London
 N414DZ AIRBUS A-330-900 Completed 9183 km
2026-08-22 04:53 UTC DAL20 SEA → LHR
Seattle → London
 N426DZ AIRBUS A-330-900 Completed 8941 km
2026-08-21 05:33 UTC DAL20 SEA → LHR
Seattle → London
 N439DX AIRBUS A-330-900 Completed 8990 km
2026-08-20 05:03 UTC DAL20 SEA → LHR
Seattle → London
 N412DX AIRBUS A-330-900 Completed 10225 km

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