Finnair
flight
AY 4588:
Washington Dulles - Seattle-Tacoma
Washington Dulles - Seattle-Tacoma
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
FLIGHT SCHEDULE
Direct Codeshare Flights:
Finnair AY4588
Effective 2026-05-15 through 2026-06-09
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Codeshare flight, operated by Alaska Airlines.
(AS 375)
Duration: 5:39, non-stop Boeing 737 (73J)
Direct Codeshare Flights:
Finnair AY4588
Effective 2026-06-12 through 2026-08-14
Mon
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Sun
Codeshare flight, operated by Alaska Airlines.
(AS 375)
Duration: 5:50, non-stop Boeing 737 (73J)
Direct Codeshare Flights:
Finnair AY4588
Effective 2026-08-17 through 2026-09-28
Mon
Tue
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Wed
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Fri
Sat
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Sun
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Codeshare flight, operated by Alaska Airlines.
(AS 375)
Duration: 5:50, non-stop Boeing 737 (73J)
Direct Codeshare Flights:
Finnair AY4588
Effective 2026-04-28 through 2026-05-05
Mon
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Tue
Wed
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Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by Alaska Airlines.
(AS 375)
Duration: 5:54, non-stop Boeing 737 (73J)
Direct Codeshare Flights:
Finnair AY4588
Effective 2026-05-10 through 2026-05-12
Mon
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Tue
Wed
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Thu
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Fri
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Sat
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Sun
Codeshare flight, operated by Alaska Airlines.
(AS 375)
Duration: 5:54, non-stop Boeing 737 (73J)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here IAD-SEA
- AY 4588 is a domestic flight departing from the Washington Dulles airport (IAD) and arriving at Seattle-Tacoma airport (SEA).
- The flight distance is 2299 miles, or 3699 km.
- The timezone of the departure airport is UTC-5 , 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 5:39 and 5:54.