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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 2 minutes.
Current status of DL21 is In Air Estimated Arrival in 8 hours, 8 minutes
- Type: International Flight
- Flight Duration: 10 hours 2 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 19:36 PM
- Current Time in Seattle: Monday 2026-05-25 11:36 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 |
|---|---|---|---|
|
AA6910 American Airlines |
25/05/2026 09:50 |
9 hours 4 minutes 11:35 |
|
KL6022 KLM |
25/05/2026 17:45 |
10 hours 26 minutes 20:11 |
|
AF9904 Air France |
25/05/2026 11:40 |
10 hours 20 minutes 14:00 |
|
VS105 Virgin Atlantic |
25/05/2026 11:40 |
10 hours 20 minutes 14:00 |
|
AF3586 Air France |
25/05/2026 17:45 |
10 hours 26 minutes 20:11 |
|
EI8753 Aer Lingus |
25/05/2026 09:50 |
9 hours 45 minutes 11:35 |
|
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 |
Delta Flight DL21 FAQs
What is the scheduled flight duration for Delta DL21 flight?
On average, nonstop flight takes 10 hour(s) 2 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 In Air.
What type of aircraft is used for the Delta DL21 flight?
All Delta DL21 flights are operated using Airbus A330-900neo aircraft.
When does the flight Delta DL21 arrive?
Flight Delta DL21 arrives at 20:11.
Which terminal the flight Delta DL21 is arriving at?
Flight Delta DL21 arrives in Seattle International Airport at Terminal S.
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 .
