Alaska Airlines
flight
AS 139:
Seattle-Tacoma - Missoula
Seattle-Tacoma - Missoula
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FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS139
Effective 2026-01-07 through 2026-01-14
Mon
Tue
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-
Wed
Thu
Fri
Sat
Sun
Duration: 1:30, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS139
Operates only on 2026-01-13
Mon
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Tue
Wed
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Thu
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Fri
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Sat
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Sun
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Duration: 1:30, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS139
Effective 2026-01-15 through 2026-01-16
Mon
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Tue
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Wed
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Thu
Fri
Sat
-
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Sun
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Duration: 1:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS139
Effective 2026-01-17 through 2026-01-24
Mon
Tue
Wed
Thu
-
-
Fri
Sat
Sun
Duration: 1:30, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS139
Effective 2026-01-22 through 2026-01-29
Mon
-
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Tue
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Wed
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Thu
Fri
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Sat
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-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS139
Effective 2026-01-26 through 2026-02-01
Mon
Tue
Wed
Thu
-
-
Fri
Sat
Sun
Duration: 1:30, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS139
Effective 2026-02-02 through 2026-02-08
Mon
Tue
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-
Wed
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Thu
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Fri
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-
Sat
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-
Sun
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS139
Effective 2026-02-03 through 2026-02-09
Mon
Tue
Wed
Thu
Fri
-
-
Sat
Sun
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-
Duration: 1:30, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS139
Operates only on 2026-02-06
Mon
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Tue
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Wed
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Thu
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Fri
Sat
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Sun
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Duration: 1:30, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS139
Operates only on 2026-02-10
Mon
-
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Tue
Wed
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Thu
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Fri
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Sat
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Sun
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Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Alaska Airlines AS139
Operates only on 2026-02-11
Mon
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Tue
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Wed
Thu
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Fri
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Sat
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Sun
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Duration: 1:30, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS139
Effective 2026-02-12 through 2026-02-18
Mon
-
-
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Duration: 1:30, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS139
Effective 2026-02-14 through 2026-02-19
Mon
Tue
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-
Wed
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-
Thu
Fri
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-
Sat
Sun
-
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS139
Effective 2026-02-20 through 2026-03-04
Mon
-
-
Tue
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 1:30, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS139
Operates only on 2026-02-21
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Alaska Airlines AS139
Effective 2026-02-22 through 2026-03-01
Mon
-
-
Tue
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Wed
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Thu
-
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Fri
-
-
Sat
-
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS139
Effective 2026-02-23 through 2026-03-02
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS139
Effective 2026-03-05 through 2026-03-09
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
Sun
-
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS139
Effective 2026-03-08 through 2026-03-17
Mon
-
-
Tue
Wed
Thu
-
-
Fri
Sat
-
-
Sun
Duration: 1:30, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS139
Effective 2026-03-12 through 2026-03-14
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
Sun
-
-
Duration: 1:30, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS139
Operates only on 2026-03-16
Mon
Tue
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Wed
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Thu
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Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
Alaska Airlines AS139
Valid until 2026-01-04
Mon
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Tue
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Wed
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Thu
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Fri
Sat
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Sun
Duration: 4:19, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Boeing 737 (73J)
The flight arrives 1 day after departure.
Direct Flights:
Alaska Airlines AS139
Valid until 2026-01-05
Mon
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
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-
Duration: 4:19, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
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Parallax here SEA-MSO
- AS 139 is a domestic flight departing from the Seattle-Tacoma airport (SEA) and arriving at Missoula airport (MSO).
- The flight distance is 387 miles, or 623 km.
- The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-7 . 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 1:30 and 4:19.