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Delta DL21 Flight Status : Live Tracking & Updates
International flight Delta DL21 takes off from London (LHR) United Kingdom to Seattle (SEA) United States. It's operated by Delta Airlines. The plane leaves London Heathrow Airport at 17:45 25 May 2026 Europe/London. The flight is expected to land at Seattle International Airport at 20:11 25 May 2026 America/Los_Angeles. The flight will last about 10 hours 26 minutes.
Current status of DL21 is Scheduled On time Estimated Depart in 17 minutes
- Type: International Flight
- Code Shares: AF 3586, KL 6022, SK 3985, VS 4036
- Flight Duration: 10 hours 26 minutes
- Flight Distance: 7726 kms / 4801 miles
- Delta Airlines
- IATA: DL
- ICAO: DAL
- Operating Days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
- Service type: Normal passenger
- Seats: 208
- Freight capacity: 12.7 tons
- Passenger classes: Economy, Business Class, Premium Economy
- Aircraft: Airbus A330-900neo
- Callsign: F-CYZF4
- Departure Timezone: Europe/London
- Arrival Timezone: America/Los_Angeles
- Current Time in London: Monday 2026-05-25 17:23 PM
- Current Time in Seattle: Monday 2026-05-25 09:23 AM
Delta DL21 Flight Statistics

Delta DL21 Flight Schedule and Histories
| Time | Departure | Arrival | Actual departure | Actual arrival |
|---|---|---|---|---|
|
Sat 23 May
Scheduled On time |
London (LHR)
2026-05-23T17:45
|
Seattle (SEA)
2026-05-23T20:11
|
||
|
Thu 21 May
Scheduled On time |
London (LHR)
2026-05-21T17:45
|
Seattle (SEA)
2026-05-21T20:11
|
||
|
Sat 16 May
Scheduled On time |
London (LHR)
2026-05-16T17:45
|
Seattle (SEA)
2026-05-16T20:11
|
||
|
Thu 14 May
Scheduled On time |
London (LHR)
2026-05-14T17:45
|
Seattle (SEA)
2026-05-14T20:11
|
||
|
Sun 10 May
Scheduled On time |
London (LHR)
2026-05-10T18:30
|
Seattle (SEA)
2026-05-10T20:53
|
||
|
Sat 09 May
Departed On time |
London (LHR)
2026-05-09T17:45
|
Seattle (SEA)
2026-05-09T20:11
|
2026-05-09T17:32
|
|
|
Fri 08 May
Departed On time |
London (LHR)
2026-05-08T17:45
|
Seattle (SEA)
2026-05-08T20:11
|
2026-05-08T17:35
|
|
|
Thu 07 May
Departed On time |
London (LHR)
2026-05-07T17:45
|
Seattle (SEA)
2026-05-07T20:11
|
2026-05-07T17:33
|
|
|
Tue 05 May
Scheduled On time |
London (LHR)
2026-05-05T17:45
|
Seattle (SEA)
2026-05-05T20:11
|
||
|
Sun 03 May
Departed Delayed by 1h 34m |
London (LHR)
2026-05-03T18:30
|
Seattle (SEA)
2026-05-03T20:53
|
2026-05-03T20:29
|
Flight routes similar to Delta DL21
| Airline | Flight no | Departure | Arrival |
|---|---|---|---|
|
AS5269 Alaska Airlines |
25/05/2026 09:50 |
9 hours 45 minutes 11:35 |
|
DL5975 Delta |
25/05/2026 11:40 |
10 hours 20 minutes 14:00 |
|
SK3985 SAS |
25/05/2026 17:45 |
10 hours 2 minutes 20:11 |
|
BA53 British Airways |
25/05/2026 09:50 |
9 hours 45 minutes 11:35 |
|
BA49 British Airways |
25/05/2026 16:30 |
9 hours 55 minutes 18:25 |
|
AS101 Alaska Airlines |
25/05/2026 17:00 |
9 hours 5 minutes 18:50 |
|
AY5449 Finnair |
25/05/2026 16:30 |
9 hours 5 minutes 18:25 |
|
EI8753 Aer Lingus |
25/05/2026 09:50 |
9 hours 45 minutes 11:35 |
Delta Flight DL21 FAQs
What is the scheduled flight duration for Delta DL21 flight?
On average, nonstop flight takes 10 hour(s) 26 minutes, with the flight distance of 7726 km (4801 miles).
What is the current status of Delta DL21 flight?
The current status of flight Delta DL21 is Scheduled On time.
What type of aircraft is used for the Delta DL21 flight?
All Delta DL21 flights are operated using Airbus A330-900neo aircraft.
How many Delta DL21 flights are operated a week?
7 flights per week. The Flight Delta DL21 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .
