Alaska Airlines flight AS 1421: Houston George Bush - Portland

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FLIGHT SCHEDULE
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Mon,Wed,Thu,Sun 17:33 Houston George Bush (IAH) A 20:03 Portland (PDX)
AS 1421 Non-stop Boeing 737 (73J) 4:30 Effective 2026-02-12 through 2026-02-23
Fri 17:33 Houston George Bush (IAH) A 20:03 Portland (PDX)
AS 1421 Non-stop Boeing 737 MAX 9 (7M9) 4:30 Effective 2026-02-13 through 2026-02-27
Tue 17:33 Houston George Bush (IAH) A 20:03 Portland (PDX)
AS 1421 Non-stop Boeing 737-800 (73H) 4:30 Operates only on 2026-02-17
Mon-Thu,Sun 17:33 Houston George Bush (IAH) A 20:03 Portland (PDX)
AS 1421 Non-stop Boeing 737 (73J) 4:30 Effective 2026-02-24 through 2026-03-02
Mon,Tue,Fri 17:33 Houston George Bush (IAH) A 20:03 Portland (PDX)
AS 1421 Non-stop Boeing 737 MAX 9 (7M9) 4:30 Effective 2026-03-03 through 2026-03-09
Tue-Thu,Sun 17:33 Houston George Bush (IAH) A 20:03 Portland (PDX)
AS 1421 Non-stop Boeing 737 (73J) 4:30 Effective 2026-03-04 through 2026-03-15
Fri 17:33 Houston George Bush (IAH) A 20:03 Portland (PDX)
AS 1421 Non-stop Boeing 737 MAX 9 (7M9) 4:30 Operates only on 2026-03-13
Mon,Tue 17:33 Houston George Bush (IAH) A 20:03 Portland (PDX)
AS 1421 Non-stop Boeing 737 (73J) 4:30 Effective 2026-03-16 through 2026-03-17
Daily 17:50 Houston George Bush (IAH) A 20:16 Portland (PDX)
AS 1421 Non-stop Boeing 737 (73J) 4:26 Effective from 2026-06-10
Daily 17:54 Houston George Bush (IAH) A 20:49 Portland (PDX)
AS 1421 Non-stop Boeing 737 (73J) 4:55 Effective 2026-03-18 through 2026-06-09
Wed 17:55 Houston George Bush (IAH) A 20:41 Portland (PDX)
AS 1421 Non-stop Boeing 737 (73J) 4:46 Operates only on 2026-01-07
Tue-Fri,Sun 17:55 Houston George Bush (IAH) A 20:41 Portland (PDX)
AS 1421 Non-stop Boeing 737 MAX 9 (7M9) 4:46 Effective 2026-01-08 through 2026-01-25
Mon 17:55 Houston George Bush (IAH) A 20:41 Portland (PDX)
AS 1421 Non-stop Boeing 737 (73J) 4:46 Effective 2026-01-12 through 2026-02-02
Tue 17:55 Houston George Bush (IAH) A 20:41 Portland (PDX)
AS 1421 Non-stop Boeing 737-800 (73H) 4:46 Operates only on 2026-01-27
Tue-Fri 17:55 Houston George Bush (IAH) A 20:41 Portland (PDX)
AS 1421 Non-stop Boeing 737 MAX 9 (7M9) 4:46 Effective 2026-01-28 through 2026-02-06
Sun 17:55 Houston George Bush (IAH) A 20:41 Portland (PDX)
AS 1421 Non-stop Boeing 737 (73J) 4:46 Operates only on 2026-02-01
Mon,Tue,Sun 17:55 Houston George Bush (IAH) A 20:41 Portland (PDX)
AS 1421 Non-stop Boeing 737 MAX 9 (7M9) 4:46 Effective 2026-02-08 through 2026-02-10
Wed 17:55 Houston George Bush (IAH) A 20:41 Portland (PDX)
AS 1421 Non-stop Boeing 737 (73J) 4:46 Operates only on 2026-02-11
Mon,Tue,Thu-Sun 17:57 Houston George Bush (IAH) A 20:42 Portland (PDX)
AS 1421 Non-stop Boeing 737 (73J) 4:45 Valid until 2026-01-05
Tue,Wed 17:57 Houston George Bush (IAH) A 20:42 Portland (PDX)
AS 1421 Non-stop Boeing 737 MAX 9 (7M9) 4:45 Valid until 2026-01-06
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Alaska Airlines flight AS 1421:
Houston George Bush - Portland
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS1421
17:33
Houston George Bush (IAH) A

20:03
Portland (PDX)
Effective 2026-02-12 through 2026-02-23
Mon
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 4:30, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS1421
17:33
Houston George Bush (IAH) A

20:03
Portland (PDX)
Effective 2026-02-13 through 2026-02-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:30, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS1421
17:33
Houston George Bush (IAH) A

20:03
Portland (PDX)
Operates only on 2026-02-17
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:30, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS1421
17:33
Houston George Bush (IAH) A

20:03
Portland (PDX)
Effective 2026-02-24 through 2026-03-02
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 4:30, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS1421
17:33
Houston George Bush (IAH) A

20:03
Portland (PDX)
Effective 2026-03-03 through 2026-03-09
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:30, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS1421
17:33
Houston George Bush (IAH) A

20:03
Portland (PDX)
Effective 2026-03-04 through 2026-03-15
Mon
-
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 4:30, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS1421
17:33
Houston George Bush (IAH) A

20:03
Portland (PDX)
Operates only on 2026-03-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:30, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS1421
17:33
Houston George Bush (IAH) A

20:03
Portland (PDX)
Effective 2026-03-16 through 2026-03-17
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:30, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS1421
17:50
Houston George Bush (IAH) A

20:16
Portland (PDX)
Effective from 2026-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:26, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS1421
17:54
Houston George Bush (IAH) A

20:49
Portland (PDX)
Effective 2026-03-18 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:55, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS1421
17:55
Houston George Bush (IAH) A

20:41
Portland (PDX)
Operates only on 2026-01-07
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:46, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS1421
17:55
Houston George Bush (IAH) A

20:41
Portland (PDX)
Effective 2026-01-08 through 2026-01-25
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:46, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS1421
17:55
Houston George Bush (IAH) A

20:41
Portland (PDX)
Effective 2026-01-12 through 2026-02-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:46, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS1421
17:55
Houston George Bush (IAH) A

20:41
Portland (PDX)
Operates only on 2026-01-27
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:46, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS1421
17:55
Houston George Bush (IAH) A

20:41
Portland (PDX)
Effective 2026-01-28 through 2026-02-06
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 4:46, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS1421
17:55
Houston George Bush (IAH) A

20:41
Portland (PDX)
Operates only on 2026-02-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:46, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS1421
17:55
Houston George Bush (IAH) A

20:41
Portland (PDX)
Effective 2026-02-08 through 2026-02-10
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:46, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS1421
17:55
Houston George Bush (IAH) A

20:41
Portland (PDX)
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:46, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS1421
17:57
Houston George Bush (IAH) A

20:42
Portland (PDX)
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 4:45, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS1421
17:57
Houston George Bush (IAH) A

20:42
Portland (PDX)
Valid until 2026-01-06
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:45, non-stop
Boeing 737 MAX 9 (7M9)
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  • AS 1421 is a domestic flight departing from the Houston George Bush airport (IAH) and arriving at Portland airport (PDX).
  • The flight distance is 1822 miles, or 2931 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-8 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 4:26 and 4:55.
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