KLM flight KL 6021: Seattle-Tacoma - London Heathrow

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Wed,Sun 18:55 Seattle-Tacoma (SEA) 12:40 London Heathrow (LHR) 3
KL 6021 Non-stop Airbus A330-900neo (339) 9:45 Effective 2025-03-02 through 2025-03-05
Codeshare flight, operated by Delta Air Lines.(DL 20)
The flight arrives 1 day after departure.
Wed,Sun 19:00 Seattle-Tacoma (SEA) 12:40 London Heathrow (LHR) 3
KL 6021 Non-stop Airbus A330-900neo (339) 9:40 Effective 2024-11-03 through 2025-01-29
Codeshare flight, operated by Delta Air Lines.(DL 20)
The flight arrives 1 day after departure.
Sun 19:05 Seattle-Tacoma (SEA) 12:40 London Heathrow (LHR) 3
KL 6021 Non-stop Airbus A330-900neo (339) 9:35 Operates only on 2025-02-02
Codeshare flight, operated by Delta Air Lines.(DL 20)
The flight arrives 1 day after departure.
Wed,Sun 19:05 Seattle-Tacoma (SEA) 12:40 London Heathrow (LHR) 3
KL 6021 Non-stop Airbus A330-900neo (339) 9:35 Effective 2025-02-19 through 2025-02-26
Codeshare flight, operated by Delta Air Lines.(DL 20)
The flight arrives 1 day after departure.
Fri 19:25 Seattle-Tacoma (SEA) 13:10 London Heathrow (LHR) 3
KL 6021 Non-stop Airbus A330-900neo (339) 9:45 Effective 2024-11-08 through 2024-12-27
Codeshare flight, operated by Delta Air Lines.(DL 20)
The flight arrives 1 day after departure.
Fri 19:25 Seattle-Tacoma (SEA) 13:10 London Heathrow (LHR) 3
KL 6021 Non-stop Airbus A330-900neo (339) 9:45 Operates only on 2025-03-07
Codeshare flight, operated by Delta Air Lines.(DL 20)
The flight arrives 1 day after departure.
Fri 19:30 Seattle-Tacoma (SEA) 13:10 London Heathrow (LHR) 3
KL 6021 Non-stop Airbus A330-900neo (339) 9:40 Effective 2025-01-03 through 2025-01-31
Codeshare flight, operated by Delta Air Lines.(DL 20)
The flight arrives 1 day after departure.
Fri 19:30 Seattle-Tacoma (SEA) 13:10 London Heathrow (LHR) 3
KL 6021 Non-stop Airbus A330-900neo (339) 9:40 Effective 2025-02-21 through 2025-02-28
Codeshare flight, operated by Delta Air Lines.(DL 20)
The flight arrives 1 day after departure.
Wed,Sun 19:55 Seattle-Tacoma (SEA) 12:40 London Heathrow (LHR) 3
KL 6021 Non-stop Airbus A330-900neo (339) 9:45 Effective 2024-10-27 through 2024-10-30
Codeshare flight, operated by Delta Air Lines.(DL 20)
The flight arrives 1 day after departure.
Wed,Sun 19:55 Seattle-Tacoma (SEA) 12:40 London Heathrow (LHR) 3
KL 6021 Non-stop Airbus A330-900neo (339) 9:45 Effective 2025-03-09 through 2025-03-26
Codeshare flight, operated by Delta Air Lines.(DL 20)
The flight arrives 1 day after departure.
Daily 19:55 Seattle-Tacoma (SEA) 13:30 London Heathrow (LHR) 3
KL 6021 Non-stop Airbus A330-900neo (339) 9:35 Effective from 2025-03-29
Codeshare flight, operated by Delta Air Lines.(DL 20)
The flight arrives 1 day after departure.
Fri 20:25 Seattle-Tacoma (SEA) 13:10 London Heathrow (LHR) 3
KL 6021 Non-stop Airbus A330-900neo (339) 9:45 Effective 2025-03-14 through 2025-03-28
Codeshare flight, operated by Delta Air Lines.(DL 20)
The flight arrives 1 day after departure.
Fri 20:30 Seattle-Tacoma (SEA) 13:10 London Heathrow (LHR) 3
KL 6021 Non-stop Airbus A330-900neo (339) 9:40 Operates only on 2024-11-01
Codeshare flight, operated by Delta Air Lines.(DL 20)
The flight arrives 1 day after departure.
Daily 21:15 Seattle-Tacoma (SEA) 14:50 London Heathrow (LHR) 3
KL 6021 Non-stop Airbus A330-900neo (339) 9:35 Valid until 2024-09-30
Codeshare flight, operated by Delta Air Lines.(DL 20)
The flight arrives 1 day after departure.
Daily 21:16 Seattle-Tacoma (SEA) 14:50 London Heathrow (LHR) 3
KL 6021 Non-stop Airbus A330-900neo (339) 9:34 Effective 2024-10-01 through 2024-10-25
Codeshare flight, operated by Delta Air Lines.(DL 20)
The flight arrives 1 day after departure.
KLM flight KL 6021:
Seattle-Tacoma - London Heathrow
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

KLM KL6021
Effective 2025-03-02 through 2025-03-05
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 20)
Duration: 9:45, non-stop
Airbus A330-900neo (339)
The flight arrives 1 day after departure.

KLM KL6021
Effective 2024-11-03 through 2025-01-29
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 20)
Duration: 9:40, non-stop
Airbus A330-900neo (339)
The flight arrives 1 day after departure.

KLM KL6021
Operates only on 2025-02-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 20)
Duration: 9:35, non-stop
Airbus A330-900neo (339)
The flight arrives 1 day after departure.

KLM KL6021
Effective 2025-02-19 through 2025-02-26
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 20)
Duration: 9:35, non-stop
Airbus A330-900neo (339)
The flight arrives 1 day after departure.

KLM KL6021
Effective 2024-11-08 through 2024-12-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 20)
Duration: 9:45, non-stop
Airbus A330-900neo (339)
The flight arrives 1 day after departure.

KLM KL6021
Operates only on 2025-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 20)
Duration: 9:45, non-stop
Airbus A330-900neo (339)
The flight arrives 1 day after departure.

KLM KL6021
Effective 2025-01-03 through 2025-01-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 20)
Duration: 9:40, non-stop
Airbus A330-900neo (339)
The flight arrives 1 day after departure.

KLM KL6021
Effective 2025-02-21 through 2025-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 20)
Duration: 9:40, non-stop
Airbus A330-900neo (339)
The flight arrives 1 day after departure.

KLM KL6021
Effective 2024-10-27 through 2024-10-30
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 20)
Duration: 9:45, non-stop
Airbus A330-900neo (339)
The flight arrives 1 day after departure.

KLM KL6021
Effective 2025-03-09 through 2025-03-26
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 20)
Duration: 9:45, non-stop
Airbus A330-900neo (339)
The flight arrives 1 day after departure.

KLM KL6021
Effective from 2025-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 20)
Duration: 9:35, non-stop
Airbus A330-900neo (339)
The flight arrives 1 day after departure.

KLM KL6021
Effective 2025-03-14 through 2025-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 20)
Duration: 9:45, non-stop
Airbus A330-900neo (339)
The flight arrives 1 day after departure.

KLM KL6021
Operates only on 2024-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 20)
Duration: 9:40, non-stop
Airbus A330-900neo (339)
The flight arrives 1 day after departure.

KLM KL6021
Valid until 2024-09-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 20)
Duration: 9:35, non-stop
Airbus A330-900neo (339)
The flight arrives 1 day after departure.

KLM KL6021
Effective 2024-10-01 through 2024-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 20)
Duration: 9:34, non-stop
Airbus A330-900neo (339)
The flight arrives 1 day after departure.
  • KL 6021 is an international flight departing from Seattle-Tacoma airport, United States (SEA) and arriving at London Heathrow airport, United Kingdom (LHR).
  • The flight distance is 4783 miles, or 7697 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC+0 . 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 9:34 and 9:45.