Alaska Airlines flight AS 401: Phoenix Sky Harbor - Seattle-Tacoma

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 14:18 Phoenix Sky Harbor (PHX) 3 17:34 Seattle-Tacoma (SEA)
AS 401 Non-stop Boeing 737 (73J) 3:16 Effective 2026-03-08 through 2026-03-17
Thu 15:18 Phoenix Sky Harbor (PHX) 3 17:34 Seattle-Tacoma (SEA)
AS 401 Non-stop Boeing 737-800 (73H) 3:16 Operates only on 2026-02-12
Mon-Fri,Sun 15:18 Phoenix Sky Harbor (PHX) 3 17:34 Seattle-Tacoma (SEA)
AS 401 Non-stop Boeing 737 (73J) 3:16 Effective 2026-02-13 through 2026-02-20
Sat 15:18 Phoenix Sky Harbor (PHX) 3 17:34 Seattle-Tacoma (SEA)
AS 401 Non-stop Boeing 737 MAX 9 (7M9) 3:16 Operates only on 2026-02-14
Daily 15:18 Phoenix Sky Harbor (PHX) 3 17:34 Seattle-Tacoma (SEA)
AS 401 Non-stop Boeing 737 (73J) 3:16 Effective 2026-02-21 through 2026-03-07
Wed 15:20 Phoenix Sky Harbor (PHX) 3 18:20 Seattle-Tacoma (SEA)
AS 401 Non-stop Boeing 737 (73J) 3:00 Operates only on 2026-03-18
Daily 15:20 Phoenix Sky Harbor (PHX) 3 18:29 Seattle-Tacoma (SEA)
AS 401 Non-stop Boeing 737 (73J) 3:09 Effective 2026-03-19 through 2026-05-12
Daily 16:45 Toronto Pearson (YYZ) 3 19:13 Seattle-Tacoma (SEA)
AS 401 Non-stop Boeing 737 (73J) 5:28 Effective from 2026-06-10
Mon,Tue,Fri,Sat 16:58 Phoenix Sky Harbor (PHX) 3 19:17 Seattle-Tacoma (SEA)
AS 401 Non-stop Boeing 737-800 (73H) 3:19 Valid until 2026-01-03
Mon,Wed,Thu 16:58 Phoenix Sky Harbor (PHX) 3 19:17 Seattle-Tacoma (SEA)
AS 401 Non-stop Boeing 737 (73J) 3:19 Valid until 2026-01-05
Sun 16:58 Phoenix Sky Harbor (PHX) 3 19:17 Seattle-Tacoma (SEA)
AS 401 Non-stop Boeing 737 MAX 9 (7M9) 3:19 Operates only on 2026-01-04
Tue 16:58 Phoenix Sky Harbor (PHX) 3 19:17 Seattle-Tacoma (SEA)
AS 401 Non-stop Boeing 737-800 (73H) 3:19 Operates only on 2026-01-06
Wed 17:00 Phoenix Sky Harbor (PHX) 3 19:18 Seattle-Tacoma (SEA)
AS 401 Non-stop Boeing 737 MAX 8 (7M8) 3:18 Effective 2026-01-07 through 2026-02-04
Thu-Sat 17:12 Phoenix Sky Harbor (PHX) 3 19:30 Seattle-Tacoma (SEA)
AS 401 Non-stop Boeing 737 (73J) 3:18 Effective 2026-01-08 through 2026-01-10
Mon,Tue,Thu,Fri,Sun 17:12 Phoenix Sky Harbor (PHX) 3 19:30 Seattle-Tacoma (SEA)
AS 401 Non-stop Boeing 737-800 (73H) 3:18 Effective 2026-01-11 through 2026-02-10
Sat 17:12 Phoenix Sky Harbor (PHX) 3 19:30 Seattle-Tacoma (SEA)
AS 401 Non-stop Boeing 737 (73J) 3:18 Effective 2026-01-17 through 2026-02-07
Alaska Airlines flight AS 401:
Phoenix Sky Harbor - Seattle-Tacoma
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Alaska Airlines AS401
Effective 2026-03-08 through 2026-03-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:16, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS401
Operates only on 2026-02-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:16, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS401
Effective 2026-02-13 through 2026-02-20
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:16, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS401
Operates only on 2026-02-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:16, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS401
Effective 2026-02-21 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:16, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS401
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS401
Effective 2026-03-19 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:09, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS401
Effective from 2026-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:28, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS401
Valid until 2026-01-03
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 3:19, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS401
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:19, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS401
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:19, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS401
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:19, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS401
Effective 2026-01-07 through 2026-02-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:18, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Alaska Airlines AS401
Effective 2026-01-08 through 2026-01-10
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 3:18, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS401
Effective 2026-01-11 through 2026-02-10
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:18, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS401
Effective 2026-01-17 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:18, non-stop
Boeing 737 (73J)
  • AS 401 is a domestic flight departing from the Phoenix Sky Harbor airport (PHX) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 1106 miles, or 1781 km.
  • The timezone of the departure airport is UTC-7 , 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 3:00 and 5:28.