Alaska Airlines flight AS 664: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 09:40 Portland (PDX) 10:33 Seattle-Tacoma (SEA)
AS 664 Non-stop Boeing 737 (73J) 0:53 Effective 2026-04-22 through 2026-05-12
Thu-Sun 12:30 Seattle-Tacoma (SEA) 15:08 Ontario, Los Angeles (ONT) 2
AS 664 Non-stop Boeing 737-800 (73H) 2:38 Effective 2026-02-12 through 2026-02-22
Mon-Wed 12:30 Seattle-Tacoma (SEA) 15:08 Ontario, Los Angeles (ONT) 2
AS 664 Non-stop Boeing 737 (73J) 2:38 Effective 2026-02-16 through 2026-02-18
Mon,Thu-Sun 12:30 Seattle-Tacoma (SEA) 15:08 Ontario, Los Angeles (ONT) 2
AS 664 Non-stop Boeing 737-800 (73H) 2:38 Effective 2026-02-23 through 2026-03-02
Tue,Wed 12:30 Seattle-Tacoma (SEA) 15:08 Ontario, Los Angeles (ONT) 2
AS 664 Non-stop Boeing 737 (73J) 2:38 Effective 2026-02-24 through 2026-02-25
Tue,Thu 12:30 Seattle-Tacoma (SEA) 15:08 Ontario, Los Angeles (ONT) 2
AS 664 Non-stop Boeing 737 MAX 9 (7M9) 2:38 Effective 2026-03-03 through 2026-03-05
Tue,Wed,Sat,Sun 12:30 Seattle-Tacoma (SEA) 15:08 Ontario, Los Angeles (ONT) 2
AS 664 Non-stop Boeing 737 (73J) 2:38 Effective 2026-03-04 through 2026-03-15
Mon,Thu,Fri 12:30 Seattle-Tacoma (SEA) 15:08 Ontario, Los Angeles (ONT) 2
AS 664 Non-stop Boeing 737-800 (73H) 2:38 Effective 2026-03-06 through 2026-03-16
Tue 12:30 Seattle-Tacoma (SEA) 15:08 Ontario, Los Angeles (ONT) 2
AS 664 Non-stop Boeing 737 MAX 9 (7M9) 2:38 Operates only on 2026-03-17
Daily 12:31 Seattle-Tacoma (SEA) 15:08 Ontario, Los Angeles (ONT) 2
AS 664 Non-stop Boeing 737-800 (73H) 2:37 Effective 2026-01-07 through 2026-02-11
Mon-Wed,Fri,Sun 13:02 Seattle-Tacoma (SEA) 15:42 Ontario, Los Angeles (ONT) 2
AS 664 Non-stop Boeing 737 (73J) 2:40 Valid until 2026-01-06
Thu 13:02 Seattle-Tacoma (SEA) 15:42 Ontario, Los Angeles (ONT) 2
AS 664 Non-stop Boeing 737 MAX 9 (7M9) 2:40 Operates only on 2026-01-01
Sat 13:02 Seattle-Tacoma (SEA) 15:42 Ontario, Los Angeles (ONT) 2
AS 664 Non-stop Boeing 737-800 (73H) 2:40 Operates only on 2026-01-03
Daily 15:34 Portland (PDX) 18:27 Anchorage (ANC) S
AS 664 Non-stop Boeing 737 (73J) 3:53 Effective 2026-05-13 through 2026-06-09
Daily 19:50 Seattle-Tacoma (SEA) 22:41 Fairbanks (FAI)
AS 664 Non-stop Boeing 737 (73J) 3:51 Effective 2026-06-10 through 2026-10-02
Wed 21:35 Seattle-Tacoma (SEA) 23:57 Missoula (MSO)
AS 664 Non-stop Boeing 737 (73J) 1:22 Operates only on 2026-03-18
Daily 21:35 Seattle-Tacoma (SEA) 23:55 Missoula (MSO)
AS 664 Non-stop Boeing 737 (73J) 1:20 Effective 2026-03-19 through 2026-04-21
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 664: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS664
09:40
Portland (PDX)

10:33
Seattle-Tacoma (SEA)
Effective 2026-04-22 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:53, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS664
12:30
Seattle-Tacoma (SEA)

15:08
Ontario, Los Angeles (ONT) 2
Effective 2026-02-12 through 2026-02-22
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:38, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS664
12:30
Seattle-Tacoma (SEA)

15:08
Ontario, Los Angeles (ONT) 2
Effective 2026-02-16 through 2026-02-18
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:38, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS664
12:30
Seattle-Tacoma (SEA)

15:08
Ontario, Los Angeles (ONT) 2
Effective 2026-02-23 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:38, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS664
12:30
Seattle-Tacoma (SEA)

15:08
Ontario, Los Angeles (ONT) 2
Effective 2026-02-24 through 2026-02-25
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:38, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS664
12:30
Seattle-Tacoma (SEA)

15:08
Ontario, Los Angeles (ONT) 2
Effective 2026-03-03 through 2026-03-05
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:38, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS664
12:30
Seattle-Tacoma (SEA)

15:08
Ontario, Los Angeles (ONT) 2
Effective 2026-03-04 through 2026-03-15
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Duration: 2:38, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS664
12:30
Seattle-Tacoma (SEA)

15:08
Ontario, Los Angeles (ONT) 2
Effective 2026-03-06 through 2026-03-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:38, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS664
12:30
Seattle-Tacoma (SEA)

15:08
Ontario, Los Angeles (ONT) 2
Operates only on 2026-03-17
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:38, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS664
12:31
Seattle-Tacoma (SEA)

15:08
Ontario, Los Angeles (ONT) 2
Effective 2026-01-07 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:37, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS664
13:02
Seattle-Tacoma (SEA)

15:42
Ontario, Los Angeles (ONT) 2
Valid until 2026-01-06
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS664
13:02
Seattle-Tacoma (SEA)

15:42
Ontario, Los Angeles (ONT) 2
Operates only on 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS664
13:02
Seattle-Tacoma (SEA)

15:42
Ontario, Los Angeles (ONT) 2
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS664
15:34
Portland (PDX)

18:27
Anchorage (ANC) S
Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:53, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS664
19:50
Seattle-Tacoma (SEA)

22:41
Fairbanks (FAI)
Effective 2026-06-10 through 2026-10-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:51, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS664
21:35
Seattle-Tacoma (SEA)

23:57
Missoula (MSO)
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:22, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS664
21:35
Seattle-Tacoma (SEA)

23:55
Missoula (MSO)
Effective 2026-03-19 through 2026-04-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:20, non-stop
Boeing 737 (73J)
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Parallax here -
This flight number is listed as serving the following routes:
  • Portland (PDX) - Anchorage (ANC)
  • Portland (PDX) - Seattle-Tacoma (SEA)
  • Seattle-Tacoma (SEA) - Fairbanks (FAI)
  • Seattle-Tacoma (SEA) - Missoula (MSO)
  • Seattle-Tacoma (SEA) - Ontario, Los Angeles (ONT)
All Alaska Airlines flights
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