Air France
flight
AF 3603:
Seattle-Tacoma - London Heathrow
Seattle-Tacoma - London Heathrow
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Air France AF3603
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 20)
Duration: 9:50, non-stop Airbus A330-200 (332)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air France AF3603
Operates only on 2026-10-24
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 20)
Duration: 9:42, non-stop Airbus A330-200 (332)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air France AF3603
Effective 2026-03-28 through 2026-10-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 20)
Duration: 9:50, non-stop Airbus A330-900neo (339)
The flight arrives 1 day after departure.
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Parallax here SEA-LHR
- AF 3603 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 9:42 and 9:50.