Alaska Airlines flight AS 1378: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 08:00 Denver (DEN) 09:48 Portland (PDX)
AS 1378 Non-stop Boeing 737 (73J) 2:48 Effective from 2026-06-10
Daily 10:13 Santa Ana (SNA) 13:19 Seattle-Tacoma (SEA)
AS 1378 Non-stop Boeing 737-800 (73H) 3:06 Valid until 2026-01-06
Mon-Fri,Sun 10:14 Santa Ana (SNA) 13:14 Seattle-Tacoma (SEA)
AS 1378 Non-stop Boeing 737-800 (73H) 3:00 Effective 2026-01-07 through 2026-01-29
Tue,Fri 10:14 Santa Ana (SNA) 13:14 Seattle-Tacoma (SEA)
AS 1378 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-01-30 through 2026-02-03
Mon,Wed-Fri,Sun 10:14 Santa Ana (SNA) 13:14 Seattle-Tacoma (SEA)
AS 1378 Non-stop Boeing 737-800 (73H) 3:00 Effective 2026-02-01 through 2026-02-09
Tue,Wed 10:14 Santa Ana (SNA) 13:14 Seattle-Tacoma (SEA)
AS 1378 Non-stop Boeing 737-800 (73H) 3:00 Effective 2026-02-10 through 2026-02-11
Wed 10:15 Santa Ana (SNA) 13:03 Seattle-Tacoma (SEA)
AS 1378 Non-stop Boeing 737-800 (73H) 2:48 Operates only on 2026-03-18
Daily 10:15 Santa Ana (SNA) 13:10 Seattle-Tacoma (SEA)
AS 1378 Non-stop Boeing 737-800 (73H) 2:55 Effective 2026-03-19 through 2026-05-12
Sat 10:19 Santa Ana (SNA) 13:19 Seattle-Tacoma (SEA)
AS 1378 Non-stop Boeing 737-800 (73H) 3:00 Effective 2026-01-10 through 2026-02-07
Daily 10:31 Santa Ana (SNA) 13:30 Seattle-Tacoma (SEA)
AS 1378 Non-stop Boeing 737-800 (73H) 2:59 Effective 2026-02-12 through 2026-03-17
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 1378: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS1378
08:00
Denver (DEN)

09:48
Portland (PDX)
Effective from 2026-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:48, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS1378
10:13
Santa Ana (SNA)

13:19
Seattle-Tacoma (SEA)
Valid until 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:06, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS1378
10:14
Santa Ana (SNA)

13:14
Seattle-Tacoma (SEA)
Effective 2026-01-07 through 2026-01-29
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:00, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS1378
10:14
Santa Ana (SNA)

13:14
Seattle-Tacoma (SEA)
Effective 2026-01-30 through 2026-02-03
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Alaska Airlines AS1378
10:14
Santa Ana (SNA)

13:14
Seattle-Tacoma (SEA)
Effective 2026-02-01 through 2026-02-09
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:00, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS1378
10:14
Santa Ana (SNA)

13:14
Seattle-Tacoma (SEA)
Effective 2026-02-10 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS1378
10:15
Santa Ana (SNA)

13:03
Seattle-Tacoma (SEA)
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:48, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS1378
10:15
Santa Ana (SNA)

13:10
Seattle-Tacoma (SEA)
Effective 2026-03-19 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS1378
10:19
Santa Ana (SNA)

13:19
Seattle-Tacoma (SEA)
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:00, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS1378
10:31
Santa Ana (SNA)

13:30
Seattle-Tacoma (SEA)
Effective 2026-02-12 through 2026-03-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:59, non-stop
Boeing 737-800 (73H)
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Parallax here -
This flight number is listed as serving the following routes:
  • Denver (DEN) - Portland (PDX)
  • Santa Ana (SNA) - Seattle-Tacoma (SEA)
All Alaska Airlines flights
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