Alaska Airlines flight AS 637: Phoenix Sky Harbor - Seattle-Tacoma

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 09:45 Phoenix Sky Harbor (PHX) 3 12:45 Seattle-Tacoma (SEA)
AS 637 Non-stop Boeing 737 (73J) 3:00 Effective 2025-10-04 through 2025-11-01
Mon,Tue,Thu-Sat 10:33 Phoenix Sky Harbor (PHX) 3 13:43 Seattle-Tacoma (SEA)
AS 637 Non-stop Boeing 737 (73J) 3:10 Valid until 2025-05-10
Wed 10:33 Phoenix Sky Harbor (PHX) 3 13:43 Seattle-Tacoma (SEA)
AS 637 Non-stop Boeing 737-800 (73H) 3:10 Valid until 2025-05-07
Mon 10:33 Phoenix Sky Harbor (PHX) 3 13:43 Seattle-Tacoma (SEA)
AS 637 Non-stop Boeing 737 MAX 9 (7M9) 3:10 Operates only on 2025-05-12
Tue,Wed 10:33 Phoenix Sky Harbor (PHX) 3 13:43 Seattle-Tacoma (SEA)
AS 637 Non-stop Boeing 737 (73J) 3:10 Effective 2025-05-13 through 2025-05-14
Daily 10:45 Phoenix Sky Harbor (PHX) 3 13:55 Seattle-Tacoma (SEA)
AS 637 Non-stop Boeing 737 (73J) 3:10 Effective 2025-08-20 through 2025-10-03
Daily 10:45 Phoenix Sky Harbor (PHX) 3 12:45 Seattle-Tacoma (SEA)
AS 637 Non-stop Boeing 737 (73J) 3:00 Effective from 2025-11-02
Daily 10:46 Phoenix Sky Harbor (PHX) 3 13:53 Seattle-Tacoma (SEA)
AS 637 Non-stop Boeing 737 MAX 9 (7M9) 3:07 Effective 2025-06-12 through 2025-07-03
Fri 10:46 Phoenix Sky Harbor (PHX) 3 13:53 Seattle-Tacoma (SEA)
AS 637 Non-stop Boeing 737 (73J) 3:07 Operates only on 2025-07-04
Daily 10:46 Phoenix Sky Harbor (PHX) 3 13:53 Seattle-Tacoma (SEA)
AS 637 Non-stop Boeing 737 MAX 9 (7M9) 3:07 Effective 2025-07-05 through 2025-08-19


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Alaska Airlines flight AS 637:
Phoenix Sky Harbor - Seattle-Tacoma
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS637
09:45
Phoenix Sky Harbor (PHX) 3

12:45
Seattle-Tacoma (SEA)
Effective 2025-10-04 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:00, non-stop
Boeing 737 (73J)
Alaska Airlines AS637
10:33
Phoenix Sky Harbor (PHX) 3

13:43
Seattle-Tacoma (SEA)
Valid until 2025-05-10
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 3:10, non-stop
Boeing 737 (73J)
Alaska Airlines AS637
10:33
Phoenix Sky Harbor (PHX) 3

13:43
Seattle-Tacoma (SEA)
Valid until 2025-05-07
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS637
10:33
Phoenix Sky Harbor (PHX) 3

13:43
Seattle-Tacoma (SEA)
Operates only on 2025-05-12
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS637
10:33
Phoenix Sky Harbor (PHX) 3

13:43
Seattle-Tacoma (SEA)
Effective 2025-05-13 through 2025-05-14
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737 (73J)
Alaska Airlines AS637
10:45
Phoenix Sky Harbor (PHX) 3

13:55
Seattle-Tacoma (SEA)
Effective 2025-08-20 through 2025-10-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:10, non-stop
Boeing 737 (73J)
Alaska Airlines AS637
10:45
Phoenix Sky Harbor (PHX) 3

12:45
Seattle-Tacoma (SEA)
Effective from 2025-11-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:00, non-stop
Boeing 737 (73J)
Alaska Airlines AS637
10:46
Phoenix Sky Harbor (PHX) 3

13:53
Seattle-Tacoma (SEA)
Effective 2025-06-12 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:07, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS637
10:46
Phoenix Sky Harbor (PHX) 3

13:53
Seattle-Tacoma (SEA)
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:07, non-stop
Boeing 737 (73J)
Alaska Airlines AS637
10:46
Phoenix Sky Harbor (PHX) 3

13:53
Seattle-Tacoma (SEA)
Effective 2025-07-05 through 2025-08-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:07, non-stop
Boeing 737 MAX 9 (7M9)
  • AS 637 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 3:10.
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