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Delta DL21 flight status now
Current status of DL21 is Scheduled On time Estimated Depart in 4 hours, 20 minutes
DL21 - DAL21
Delta Airlines (DL)
LHR
London United Kingdom
SEA
Seattle United States
Scheduled On time
Estimated Depart in 4 hours, 20 minutes
Scheduled
12:20 18 November 2025
Estimated
12:15 18 November 2025
3
30
Scheduled
14:48 18 November 2025
Estimated
14:21 18 November 2025
None
None
DL21 Detail
- Type: International Flight
- Code Shares: AF 3599, KL 6022, SK 3985, VS 4036
- Flight Duration: 10 hours 28 minutes
- Flight Distance: 7726 kms / 4801 miles
Airline
- Delta Airlines
- IATA: DL
- ICAO: DAL
- Operating Days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
Passenger Services
- Service type: Normal passenger
- Seats: 208
- Freight capacity: 12.7 tons
- Passenger classes: Economy, Business Class, Premium Economy
More Detail
- Aircraft: Airbus A330-200
- Callsign: F-CYZF4
- Departure Timezone: Europe/London
- Arrival Timezone: America/Los_Angeles
- Current Time in London: Tuesday 2025-11-18 07:55 AM
- Current Time in Seattle: Monday 2025-11-17 23:55 PM
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 12:20 18 November 2025 Europe/London. The flight is expected to land at Seattle International Airport at 14:48 18 November 2025 America/Los_Angeles. The flight will last about 10 hours 28 minutes.
Delta DL21 Flight Statistics
Delta
FLIGHT NO
DL21
AIRPLANE
Airbus A330-200
ON TIME
14
DELAYED
0
CANCELLED
0
Last 14 days flight data
14
30
60
90
On Time Rate
Delta DL21 Flight Schedule and Histories
| Time | Departure | Arrival | Actual departure | Actual arrival |
|---|---|---|---|---|
|
Mon 17 Nov
Scheduled On time |
London (LHR)
2025-11-17T12:20
|
Seattle (SEA)
2025-11-17T14:48
|
||
|
Fri 14 Nov
Departed On time |
London (LHR)
2025-11-14T12:20
|
Seattle (SEA)
2025-11-14T14:48
|
2025-11-14T12:15
|
|
|
Wed 12 Nov
Departed On time |
London (LHR)
2025-11-12T12:20
|
Seattle (SEA)
2025-11-12T14:48
|
2025-11-12T12:18
|
|
|
Sat 08 Nov
Departed On time |
London (LHR)
2025-11-08T12:20
|
Seattle (SEA)
2025-11-08T14:48
|
2025-11-08T12:26
|
|
|
Thu 06 Nov
Arrived On time |
London (LHR)
2025-11-06T12:20
|
Seattle (SEA)
2025-11-06T14:48
|
2025-11-06T12:20
|
2025-11-06T14:21
|
|
Thu 30 Oct
Scheduled On time |
London (LHR)
2025-10-30T12:20
|
Seattle (SEA)
2025-10-30T15:45
|
||
|
Tue 28 Oct
Scheduled On time |
London (LHR)
2025-10-28T12:20
|
Seattle (SEA)
2025-10-28T15:45
|
||
|
Mon 27 Oct
Scheduled On time |
London (LHR)
2025-10-27T12:20
|
Seattle (SEA)
2025-10-27T15:45
|
||
|
Sun 26 Oct
Departed On time |
London (LHR)
2025-10-26T12:20
|
Seattle (SEA)
2025-10-26T15:45
|
2025-10-26T12:15
|
|
|
Mon 20 Oct
Scheduled On time |
London (LHR)
2025-10-20T17:25
|
Seattle (SEA)
2025-10-20T19:50
|
Similar flight route from London (LHR) to Seattle (SEA)
| Airline | Flight no | Departure | Arrival |
|---|---|---|---|
|
DL5975 Delta |
18/11/2025 14:45 |
10 hours 5 minutes 16:50 |
|
AA6908 American Airlines |
18/11/2025 14:55 |
0 minutes 16:55 |
|
AS5267 Alaska Airlines |
18/11/2025 14:55 |
0 minutes 16:55 |
|
BA49 British Airways |
18/11/2025 14:55 |
0 minutes 16:55 |
|
IB3507 Iberia |
18/11/2025 14:55 |
0 minutes 16:55 |
|
|
AS5269 Alaska Airlines |
18/11/2025 09:25 |
10 hours 5 minutes 11:30 |
|
EI8749 Aer Lingus |
18/11/2025 14:55 |
0 minutes 16:55 |
|
KL6022 KLM |
18/11/2025 12:20 |
10 hours 28 minutes 14:48 |
Frequently asked questions, answered
How long is the flight from London to Seattle?
On average, nonstop flight takes 10 hour(s) 28 minutes, with the flight distance of 7726 km (4801 miles).
What type of aircraft is used for the Delta DL21 flight?
All Delta DL21 flights are operated using Airbus A330-200 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 .