Delta Air Lines flight DL 21: London Heathrow - Seattle-Tacoma

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FLIGHT SCHEDULE
Direct Flights:
Mon-Thu,Sat 17:25 London Heathrow (LHR) 3 19:45 Seattle-Tacoma (SEA)
DL 21 Non-stop Airbus A330-900neo (339) 10:20 Valid until 2025-05-06
Mon-Thu,Sat 17:25 London Heathrow (LHR) 3 19:40 Seattle-Tacoma (SEA)
DL 21 Non-stop Airbus A330-900neo (339) 10:15 Effective 2025-05-07 through 2025-05-20
Mon-Thu,Sat 17:25 London Heathrow (LHR) 3 19:45 Seattle-Tacoma (SEA)
DL 21 Non-stop Airbus A330-900neo (339) 10:20 Effective 2025-05-21 through 2025-08-30
Mon-Thu,Sat 17:25 London Heathrow (LHR) 3 19:50 Seattle-Tacoma (SEA)
DL 21 Non-stop Airbus A330-900neo (339) 10:25 Effective 2025-09-01 through 2025-10-25
Fri 18:00 London Heathrow (LHR) 3 20:20 Seattle-Tacoma (SEA)
DL 21 Non-stop Airbus A330-900neo (339) 10:20 Valid until 2025-08-29
Fri 18:00 London Heathrow (LHR) 3 20:25 Seattle-Tacoma (SEA)
DL 21 Non-stop Airbus A330-900neo (339) 10:25 Effective 2025-09-05 through 2025-10-24
Sun 18:30 London Heathrow (LHR) 3 20:50 Seattle-Tacoma (SEA)
DL 21 Non-stop Airbus A330-900neo (339) 10:20 Valid until 2025-08-31
Sun 18:30 London Heathrow (LHR) 3 20:55 Seattle-Tacoma (SEA)
DL 21 Non-stop Airbus A330-900neo (339) 10:25 Effective 2025-09-07 through 2025-10-19
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Parallax here LHR-SEA


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Delta Air Lines flight DL 21:
London Heathrow - Seattle-Tacoma
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL21
17:25
London Heathrow (LHR) 3

19:45
Seattle-Tacoma (SEA)
Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
-
Duration: 10:20, non-stop
Airbus A330-900neo (339)
Delta Air Lines DL21
17:25
London Heathrow (LHR) 3

19:40
Seattle-Tacoma (SEA)
Effective 2025-05-07 through 2025-05-20
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
-
Duration: 10:15, non-stop
Airbus A330-900neo (339)
Delta Air Lines DL21
17:25
London Heathrow (LHR) 3

19:45
Seattle-Tacoma (SEA)
Effective 2025-05-21 through 2025-08-30
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
-
Duration: 10:20, non-stop
Airbus A330-900neo (339)
Delta Air Lines DL21
17:25
London Heathrow (LHR) 3

19:50
Seattle-Tacoma (SEA)
Effective 2025-09-01 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
-
Duration: 10:25, non-stop
Airbus A330-900neo (339)
Delta Air Lines DL21
18:00
London Heathrow (LHR) 3

20:20
Seattle-Tacoma (SEA)
Valid until 2025-08-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 10:20, non-stop
Airbus A330-900neo (339)
Delta Air Lines DL21
18:00
London Heathrow (LHR) 3

20:25
Seattle-Tacoma (SEA)
Effective 2025-09-05 through 2025-10-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 10:25, non-stop
Airbus A330-900neo (339)
Delta Air Lines DL21
18:30
London Heathrow (LHR) 3

20:50
Seattle-Tacoma (SEA)
Valid until 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 10:20, non-stop
Airbus A330-900neo (339)
Delta Air Lines DL21
18:30
London Heathrow (LHR) 3

20:55
Seattle-Tacoma (SEA)
Effective 2025-09-07 through 2025-10-19
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 10:25, non-stop
Airbus A330-900neo (339)
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Parallax here LHR-SEA
  • DL 21 is an international flight departing from London Heathrow airport, United Kingdom (LHR) and arriving at Seattle-Tacoma airport, United States (SEA).
  • The flight distance is 4783 miles, or 7697 km.
  • The timezone of the departure airport is UTC+0 , and the timezone of the arrival airport is UTC-8 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 10:15 and 10:25.
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