Alaska Airlines flight AS 1423: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 08:00 Los Angeles (LAX) 6 10:52 Seattle-Tacoma (SEA)
AS 1423 Non-stop Boeing 737 (73J) 2:52 Effective from 2026-06-10
Sat 12:17 San Jose del Cabo (SJD) 2 16:17 Portland (PDX)
AS 1423 Non-stop Boeing 737 (73J) 4:00 Effective 2026-05-16 through 2026-06-06
Tue-Sun 15:49 Phoenix Sky Harbor (PHX) 3 19:05 Seattle-Tacoma (SEA)
AS 1423 Non-stop Boeing 737 (73J) 3:16 Effective 2026-03-08 through 2026-03-15
Mon 15:49 Phoenix Sky Harbor (PHX) 3 19:05 Seattle-Tacoma (SEA)
AS 1423 Non-stop Boeing 737-800 (73H) 3:16 Operates only on 2026-03-09
Mon,Tue 15:49 Phoenix Sky Harbor (PHX) 3 19:05 Seattle-Tacoma (SEA)
AS 1423 Non-stop Boeing 737 (73J) 3:16 Effective 2026-03-16 through 2026-03-17
Daily 16:47 Phoenix Sky Harbor (PHX) 3 19:03 Seattle-Tacoma (SEA)
AS 1423 Non-stop Boeing 737 (73J) 3:16 Effective 2026-02-12 through 2026-02-19
Fri 16:47 Phoenix Sky Harbor (PHX) 3 19:03 Seattle-Tacoma (SEA)
AS 1423 Non-stop Boeing 737-800 (73H) 3:16 Effective 2026-02-20 through 2026-02-27
Mon-Thu,Sat,Sun 16:47 Phoenix Sky Harbor (PHX) 3 19:03 Seattle-Tacoma (SEA)
AS 1423 Non-stop Boeing 737 (73J) 3:16 Effective 2026-02-21 through 2026-02-26
Fri,Sat 16:47 Phoenix Sky Harbor (PHX) 3 19:03 Seattle-Tacoma (SEA)
AS 1423 Non-stop Boeing 737-800 (73H) 3:16 Effective 2026-02-28 through 2026-03-06
Tue-Thu,Sat,Sun 16:47 Phoenix Sky Harbor (PHX) 3 19:03 Seattle-Tacoma (SEA)
AS 1423 Non-stop Boeing 737 (73J) 3:16 Effective 2026-03-01 through 2026-03-07
Mon 16:47 Phoenix Sky Harbor (PHX) 3 19:03 Seattle-Tacoma (SEA)
AS 1423 Non-stop Boeing 737 MAX 9 (7M9) 3:16 Operates only on 2026-03-02
Wed 17:05 Phoenix Sky Harbor (PHX) 3 20:05 Seattle-Tacoma (SEA)
AS 1423 Non-stop Boeing 737 (73J) 3:00 Operates only on 2026-03-18
Daily 17:05 Phoenix Sky Harbor (PHX) 3 20:14 Seattle-Tacoma (SEA)
AS 1423 Non-stop Boeing 737 (73J) 3:09 Effective 2026-03-19 through 2026-05-12
Mon 21:30 Kona (KOA) 05:22 Seattle-Tacoma (SEA)
AS 1423 Non-stop Boeing 737 MAX 9 (7M9) 5:52 Operates only on 2026-01-05
The flight arrives 1 day after departure.
Tue 21:30 Kona (KOA) 05:22 Seattle-Tacoma (SEA)
AS 1423 Non-stop Boeing 737 (73J) 5:52 Operates only on 2026-01-06
The flight arrives 1 day after departure.
Daily 23:35 Kona (KOA) 07:27 Seattle-Tacoma (SEA)
AS 1423 Non-stop Boeing 737 MAX 9 (7M9) 5:52 Valid until 2026-01-04
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
Alaska Airlines flight AS 1423: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Alaska Airlines AS1423
Effective from 2026-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:52, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS1423
Effective 2026-05-16 through 2026-06-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:00, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS1423
Effective 2026-03-08 through 2026-03-15
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:16, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS1423
Operates only on 2026-03-09
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:16, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS1423
Effective 2026-03-16 through 2026-03-17
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:16, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS1423
Effective 2026-02-12 through 2026-02-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:16, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS1423
Effective 2026-02-20 through 2026-02-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:16, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS1423
Effective 2026-02-21 through 2026-02-26
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 3:16, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS1423
Effective 2026-02-28 through 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 3:16, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS1423
Effective 2026-03-01 through 2026-03-07
Mon
-
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 3:16, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS1423
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:16, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS1423
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 AS1423
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 AS1423
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:52, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS1423
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:52, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS1423
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:52, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
  • Kona (KOA) - Seattle-Tacoma (SEA)
  • Los Angeles (LAX) - Seattle-Tacoma (SEA)
  • Phoenix Sky Harbor (PHX) - Seattle-Tacoma (SEA)
  • San Jose del Cabo (SJD) - Portland (PDX)