Flight DL 21: London Heathrow → Seattle
Airline: Delta Air Lines ·Data from the official airport boards. Times are local to each airport.
Flight DL 21, 1 October 2026
ScheduledAll flights London Heathrow → Seattle
Departure: London Heathrow LHR
- Scheduled
- 17:45
- Expected
- 17:45
- Terminal
- 3
- Check-in
- A
- Gate
- 22
Arrival
We do not track the arrival airport.Flight DL 21 history
Flights of the last 60 days from the airport boards. Delay against the scheduled departure.
| Date | Route | Departure | Delay | Status |
|---|---|---|---|---|
| 30 September 2026 | London Heathrow → Seattle | 17:45 | — | Cancelled |
| 29 September 2026 | London Heathrow → Seattle | 17:45 | +5 min | Departed |