Alaska Airlines flight AS 665: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Wed 06:35 Missoula (MSO) 07:10 Seattle-Tacoma (SEA)
AS 665 Non-stop Boeing 737 (73J) 1:35 Operates only on 2026-03-18
Daily 06:35 Missoula (MSO) 07:08 Seattle-Tacoma (SEA)
AS 665 Non-stop Boeing 737 (73J) 1:33 Effective 2026-03-19 through 2026-04-21
Daily 10:49 Portland (PDX) 13:35 Anchorage (ANC) S
AS 665 Non-stop Boeing 737 (73J) 3:46 Effective 2026-05-13 through 2026-06-09
Thu-Sun 16:02 Ontario, Los Angeles (ONT) 2 18:52 Seattle-Tacoma (SEA)
AS 665 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-02-12 through 2026-02-22
Mon-Wed 16:02 Ontario, Los Angeles (ONT) 2 18:52 Seattle-Tacoma (SEA)
AS 665 Non-stop Boeing 737 (73J) 2:50 Effective 2026-02-16 through 2026-02-18
Mon,Thu-Sun 16:02 Ontario, Los Angeles (ONT) 2 18:52 Seattle-Tacoma (SEA)
AS 665 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-02-23 through 2026-03-02
Tue,Wed 16:02 Ontario, Los Angeles (ONT) 2 18:52 Seattle-Tacoma (SEA)
AS 665 Non-stop Boeing 737 (73J) 2:50 Effective 2026-02-24 through 2026-02-25
Tue,Thu 16:02 Ontario, Los Angeles (ONT) 2 18:52 Seattle-Tacoma (SEA)
AS 665 Non-stop Boeing 737 MAX 9 (7M9) 2:50 Effective 2026-03-03 through 2026-03-05
Tue,Wed,Sat 16:02 Ontario, Los Angeles (ONT) 2 18:52 Seattle-Tacoma (SEA)
AS 665 Non-stop Boeing 737 (73J) 2:50 Effective 2026-03-04 through 2026-03-14
Mon,Thu,Fri 16:02 Ontario, Los Angeles (ONT) 2 18:52 Seattle-Tacoma (SEA)
AS 665 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-03-06 through 2026-03-16
Sun 16:02 Ontario, Los Angeles (ONT) 2 18:52 Seattle-Tacoma (SEA)
AS 665 Non-stop Boeing 737 (73J) 2:50 Operates only on 2026-03-15
Tue 16:02 Ontario, Los Angeles (ONT) 2 18:52 Seattle-Tacoma (SEA)
AS 665 Non-stop Boeing 737 MAX 9 (7M9) 2:50 Operates only on 2026-03-17
Daily 16:03 Ontario, Los Angeles (ONT) 2 18:54 Seattle-Tacoma (SEA)
AS 665 Non-stop Boeing 737-800 (73H) 2:51 Effective 2026-01-07 through 2026-02-11
Mon-Wed,Fri,Sun 16:36 Ontario, Los Angeles (ONT) 2 19:27 Seattle-Tacoma (SEA)
AS 665 Non-stop Boeing 737 (73J) 2:51 Valid until 2026-01-06
Thu 16:36 Ontario, Los Angeles (ONT) 2 19:27 Seattle-Tacoma (SEA)
AS 665 Non-stop Boeing 737 MAX 9 (7M9) 2:51 Operates only on 2026-01-01
Sat 16:36 Ontario, Los Angeles (ONT) 2 19:27 Seattle-Tacoma (SEA)
AS 665 Non-stop Boeing 737-800 (73H) 2:51 Operates only on 2026-01-03
Daily 19:55 Seattle-Tacoma (SEA) 22:40 Anchorage (ANC) S
AS 665 Non-stop Boeing 737 (73J) 3:45 Effective from 2026-06-10
Daily 21:30 Seattle-Tacoma (SEA) 22:21 Portland (PDX)
AS 665 Non-stop Boeing 737 (73J) 0:51 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 665: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS665
06:35
Missoula (MSO)

07:10
Seattle-Tacoma (SEA)
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS665
06:35
Missoula (MSO)

07:08
Seattle-Tacoma (SEA)
Effective 2026-03-19 through 2026-04-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:33, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS665
10:49
Portland (PDX)

13:35
Anchorage (ANC) S
Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:46, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS665
16:02
Ontario, Los Angeles (ONT) 2

18:52
Seattle-Tacoma (SEA)
Effective 2026-02-12 through 2026-02-22
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:50, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS665
16:02
Ontario, Los Angeles (ONT) 2

18:52
Seattle-Tacoma (SEA)
Effective 2026-02-16 through 2026-02-18
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS665
16:02
Ontario, Los Angeles (ONT) 2

18:52
Seattle-Tacoma (SEA)
Effective 2026-02-23 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:50, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS665
16:02
Ontario, Los Angeles (ONT) 2

18:52
Seattle-Tacoma (SEA)
Effective 2026-02-24 through 2026-02-25
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS665
16:02
Ontario, Los Angeles (ONT) 2

18:52
Seattle-Tacoma (SEA)
Effective 2026-03-03 through 2026-03-05
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS665
16:02
Ontario, Los Angeles (ONT) 2

18:52
Seattle-Tacoma (SEA)
Effective 2026-03-04 through 2026-03-14
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:50, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS665
16:02
Ontario, Los Angeles (ONT) 2

18:52
Seattle-Tacoma (SEA)
Effective 2026-03-06 through 2026-03-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS665
16:02
Ontario, Los Angeles (ONT) 2

18:52
Seattle-Tacoma (SEA)
Operates only on 2026-03-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS665
16:02
Ontario, Los Angeles (ONT) 2

18:52
Seattle-Tacoma (SEA)
Operates only on 2026-03-17
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS665
16:03
Ontario, Los Angeles (ONT) 2

18:54
Seattle-Tacoma (SEA)
Effective 2026-01-07 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:51, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS665
16:36
Ontario, Los Angeles (ONT) 2

19:27
Seattle-Tacoma (SEA)
Valid until 2026-01-06
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Duration: 2:51, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS665
16:36
Ontario, Los Angeles (ONT) 2

19:27
Seattle-Tacoma (SEA)
Operates only on 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:51, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS665
16:36
Ontario, Los Angeles (ONT) 2

19:27
Seattle-Tacoma (SEA)
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:51, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS665
19:55
Seattle-Tacoma (SEA)

22:40
Anchorage (ANC) S
Effective from 2026-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:45, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS665
21:30
Seattle-Tacoma (SEA)

22:21
Portland (PDX)
Effective 2026-04-22 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:51, non-stop
Boeing 737 (73J)
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This flight number is listed as serving the following routes:
  • Missoula (MSO) - Seattle-Tacoma (SEA)
  • Ontario, Los Angeles (ONT) - Seattle-Tacoma (SEA)
  • Portland (PDX) - Anchorage (ANC)
  • Seattle-Tacoma (SEA) - Anchorage (ANC)
  • Seattle-Tacoma (SEA) - Portland (PDX)
All Alaska Airlines flights
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