Alaska Airlines flight AS 4: Seattle-Tacoma - Ronald Reagan Washington

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 08:00 Seattle-Tacoma (SEA) 16:15 Ronald Reagan Washington (DCA) 2
AS 4 Non-stop Boeing 737-800 (73H) 5:15 Effective from 2025-10-04
Daily 08:24 Seattle-Tacoma (SEA) 16:38 Ronald Reagan Washington (DCA) 2
AS 4 Non-stop Boeing 737-800 (73H) 5:14 Valid until 2025-05-14
Daily 08:26 Seattle-Tacoma (SEA) 16:40 Ronald Reagan Washington (DCA) 2
AS 4 Non-stop Boeing 737-800 (73H) 5:14 Effective 2025-08-20 through 2025-10-03
Daily 08:30 Seattle-Tacoma (SEA) 16:44 Ronald Reagan Washington (DCA) 2
AS 4 Non-stop Boeing 737-800 (73H) 5:14 Effective 2025-05-15 through 2025-06-11
Daily 08:34 Seattle-Tacoma (SEA) 16:43 Ronald Reagan Washington (DCA) 2
AS 4 Non-stop Boeing 737-800 (73H) 5:09 Effective 2025-06-12 through 2025-08-19


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Alaska Airlines flight AS 4:
Seattle-Tacoma - Ronald Reagan Washington
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS4
08:00
Seattle-Tacoma (SEA)

16:15
Ronald Reagan Washington (DCA) 2
Effective from 2025-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:15, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS4
08:24
Seattle-Tacoma (SEA)

16:38
Ronald Reagan Washington (DCA) 2
Valid until 2025-05-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:14, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS4
08:26
Seattle-Tacoma (SEA)

16:40
Ronald Reagan Washington (DCA) 2
Effective 2025-08-20 through 2025-10-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:14, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS4
08:30
Seattle-Tacoma (SEA)

16:44
Ronald Reagan Washington (DCA) 2
Effective 2025-05-15 through 2025-06-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:14, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS4
08:34
Seattle-Tacoma (SEA)

16:43
Ronald Reagan Washington (DCA) 2
Effective 2025-06-12 through 2025-08-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:09, non-stop
Boeing 737-800 (73H)
  • AS 4 is a domestic flight departing from the Seattle-Tacoma airport (SEA) and arriving at Ronald Reagan Washington airport (DCA).
  • The flight distance is 2321 miles, or 3736 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-5 . 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 5:09 and 5:15.
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