Alaska Airlines flight AS 604: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 06:00 Seattle-Tacoma (SEA) 09:51 Phoenix Sky Harbor (PHX) 3
AS 604 Non-stop Boeing 737 (73J) 2:51 Effective 2026-02-12 through 2026-03-05
Fri 06:00 Seattle-Tacoma (SEA) 09:51 Phoenix Sky Harbor (PHX) 3
AS 604 Non-stop Boeing 737 MAX 9 (7M9) 2:51 Operates only on 2026-03-06
Sat 06:00 Seattle-Tacoma (SEA) 09:51 Phoenix Sky Harbor (PHX) 3
AS 604 Non-stop Boeing 737 (73J) 2:51 Operates only on 2026-03-07
Mon,Tue,Thu-Sun 06:00 Seattle-Tacoma (SEA) 08:51 Phoenix Sky Harbor (PHX) 3
AS 604 Non-stop Boeing 737 (73J) 2:51 Effective 2026-03-08 through 2026-03-16
Wed 06:00 Seattle-Tacoma (SEA) 08:51 Phoenix Sky Harbor (PHX) 3
AS 604 Non-stop Boeing 737-800 (73H) 2:51 Operates only on 2026-03-11
Tue 06:00 Seattle-Tacoma (SEA) 08:51 Phoenix Sky Harbor (PHX) 3
AS 604 Non-stop Boeing 737 MAX 9 (7M9) 2:51 Operates only on 2026-03-17
Wed 06:00 Seattle-Tacoma (SEA) 08:56 Phoenix Sky Harbor (PHX) 3
AS 604 Non-stop Boeing 737 (73J) 2:56 Operates only on 2026-03-18
Daily 06:00 Seattle-Tacoma (SEA) 08:48 Phoenix Sky Harbor (PHX) 3
AS 604 Non-stop Boeing 737 (73J) 2:48 Effective 2026-03-19 through 2026-04-21
Daily 06:00 Seattle-Tacoma (SEA) 09:01 Phoenix Sky Harbor (PHX) 3
AS 604 Non-stop Boeing 737 (73J) 3:01 Effective 2026-06-10 through 2026-08-18
Mon,Thu-Sun 06:35 Seattle-Tacoma (SEA) 10:24 Phoenix Sky Harbor (PHX) 3
AS 604 Non-stop Boeing 737 (73J) 2:49 Valid until 2026-01-02
Sat,Sun 06:35 Seattle-Tacoma (SEA) 10:24 Phoenix Sky Harbor (PHX) 3
AS 604 Non-stop Boeing 737-800 (73H) 2:49 Effective 2026-01-03 through 2026-01-04
Mon,Tue 06:35 Seattle-Tacoma (SEA) 10:24 Phoenix Sky Harbor (PHX) 3
AS 604 Non-stop Boeing 737 (73J) 2:49 Effective 2026-01-05 through 2026-01-06
Daily 13:30 Fairbanks (FAI) 14:30 Anchorage (ANC) S
AS 604 Non-stop Boeing 737-700 (73G) 1:00 Effective 2026-05-13 through 2026-06-09
Sat 16:12 Puerto Vallarta (PVR) 18:04 San Diego (SAN) 2
AS 604 Non-stop Boeing 737 (73J) 2:52 Effective from 2026-10-03
Daily 19:55 Seattle-Tacoma (SEA) 22:43 Phoenix Sky Harbor (PHX) 3
AS 604 Non-stop Boeing 737 (73J) 2:48 Effective 2026-04-22 through 2026-05-12
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 604: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS604
06:00
Seattle-Tacoma (SEA)

09:51
Phoenix Sky Harbor (PHX) 3
Effective 2026-02-12 through 2026-03-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:51, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS604
06:00
Seattle-Tacoma (SEA)

09:51
Phoenix Sky Harbor (PHX) 3
Operates only on 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
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Fri
Sat
-
Sun
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Duration: 2:51, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS604
06:00
Seattle-Tacoma (SEA)

09:51
Phoenix Sky Harbor (PHX) 3
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:51, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS604
06:00
Seattle-Tacoma (SEA)

08:51
Phoenix Sky Harbor (PHX) 3
Effective 2026-03-08 through 2026-03-16
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:51, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS604
06:00
Seattle-Tacoma (SEA)

08:51
Phoenix Sky Harbor (PHX) 3
Operates only on 2026-03-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:51, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS604
06:00
Seattle-Tacoma (SEA)

08:51
Phoenix Sky Harbor (PHX) 3
Operates only on 2026-03-17
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:51, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS604
06:00
Seattle-Tacoma (SEA)

08:56
Phoenix Sky Harbor (PHX) 3
Operates only on 2026-03-18
Mon
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Tue
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Wed
Thu
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Fri
-
Sat
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Sun
-
Duration: 2:56, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS604
06:00
Seattle-Tacoma (SEA)

08:48
Phoenix Sky Harbor (PHX) 3
Effective 2026-03-19 through 2026-04-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:48, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS604
06:00
Seattle-Tacoma (SEA)

09:01
Phoenix Sky Harbor (PHX) 3
Effective 2026-06-10 through 2026-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:01, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS604
06:35
Seattle-Tacoma (SEA)

10:24
Phoenix Sky Harbor (PHX) 3
Valid until 2026-01-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:49, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS604
06:35
Seattle-Tacoma (SEA)

10:24
Phoenix Sky Harbor (PHX) 3
Effective 2026-01-03 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 2:49, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS604
06:35
Seattle-Tacoma (SEA)

10:24
Phoenix Sky Harbor (PHX) 3
Effective 2026-01-05 through 2026-01-06
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:49, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS604
13:30
Fairbanks (FAI)

14:30
Anchorage (ANC) S
Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:00, non-stop
Boeing 737-700 (73G)
Direct Flights:
Alaska Airlines AS604
16:12
Puerto Vallarta (PVR)

18:04
San Diego (SAN) 2
Effective from 2026-10-03
Mon
-
Tue
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Wed
-
Thu
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Fri
-
Sat
Sun
-
Duration: 2:52, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS604
19:55
Seattle-Tacoma (SEA)

22:43
Phoenix Sky Harbor (PHX) 3
Effective 2026-04-22 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:48, non-stop
Boeing 737 (73J)
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This flight number is listed as serving the following routes:
  • Fairbanks (FAI) - Anchorage (ANC)
  • Puerto Vallarta (PVR) - San Diego (SAN)
  • Seattle-Tacoma (SEA) - Phoenix Sky Harbor (PHX)
All Alaska Airlines flights
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