247jetAirport Intelligence
In flight

Delta Air Lines DL20·SEA → LHR·20 May 2026

SEA
Seattle-Tacoma International
Seattle, United States
DL20
2026-05-20
LHR
Heathrow
London, United Kingdom
Departs
22:05
19 May 2026 · America/Los_Angeles
Terminal 3Gate A3
Arrives
15:15
20 May 2026 · Europe/London

Times

Scheduled departure
21:45
19 May 2026 (America/Los_Angeles)
UTC: Wed, 20 May 2026 04:45:00 GMT
Scheduled arrival
15:35
20 May 2026 (Europe/London)
UTC: Wed, 20 May 2026 14:35:00 GMT
Estimated departure
21:41
19 May 2026 (America/Los_Angeles)
UTC: Wed, 20 May 2026 04:41:00 GMT
Est. runway: Wed, 20 May 2026 05:05:00 GMT
Estimated arrival
15:15
20 May 2026 (Europe/London)
UTC: Wed, 20 May 2026 14:15:00 GMT
Actual departure
22:05
19 May 2026 (America/Los_Angeles)
UTC: Wed, 20 May 2026 05:05:00 GMT
Actual arrival
Not available

Details

Departure terminal / gate
Terminal: 3Gate: A3
Delay: 20 min
Arrival terminal / gate / belt
Terminal: —Gate: —Belt: —
Aircraft
Registration: N421DX
Type: ICAO A339 / IATA —
ICAO24: A4FFB7
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Codeshare
Flight: —
Airline: —
Departure airport
SEA — Seattle-Tacoma International
Seattle, United States
View airport page →
Arrival airport
LHR — Heathrow
London, United Kingdom
View airport page →

Board history

  • DEPARTURE @ SEATerm 3Gate A3In flight

Event timeline

  1. Status
    Event: Wed, 20 May 2026 04:41:00 GMT · Recorded: Wed, 20 May 2026 11:35:55 GMT

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