Alaska Airlines flights from Chicago O'Hare (ORD) to Missoula (MSO).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 09:40 Chicago O'Hare (ORD) 3 12:15 Missoula (MSO)
Alaska Airlines AS 4165 Non-stop Embraer EMB 175 (E75) 3:35 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 3726)
Daily 20:20 Chicago O'Hare (ORD) 3 23:19 Missoula (MSO)
Alaska Airlines AS 4556 Non-stop Embraer EMB 175 (E75) 3:59 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 3898)
Daily 20:20 Chicago O'Hare (ORD) 3 23:15 Missoula (MSO)
Alaska Airlines AS 4556 Non-stop Embraer EMB 175 (E75) 3:55 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 3898)
Daily 20:40 Chicago O'Hare (ORD) 3 23:28 Missoula (MSO)
Alaska Airlines AS 4556 Non-stop Embraer EMB 175 (E75) 3:48 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 3848)
Daily 09:45 Chicago O'Hare (ORD) 3 12:25 Missoula (MSO)
Alaska Airlines AS 4571 Non-stop Embraer EMB 175 (E75) 3:40 Effective 2026-04-07 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 4199)
Mon-Sat 09:50 Chicago O'Hare (ORD) 3 12:48 Missoula (MSO)
Alaska Airlines AS 4571 Non-stop Embraer EMB 175 (E75) 3:58 Effective 2026-03-09 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 4199)
Sun 09:58 Chicago O'Hare (ORD) 3 12:51 Missoula (MSO)
Alaska Airlines AS 4571 Non-stop Embraer EMB 175 (E75) 3:53 Effective 2026-03-08 through 2026-04-05
Codeshare flight, operated by American Airlines.(AA 4199)
Mon,Wed-Sun 09:53 Chicago O'Hare (ORD) 3 12:48 Missoula (MSO)
Alaska Airlines AS 4743 Non-stop Embraer EMB 175 (E75) 3:55 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 4199)
Daily 09:55 Chicago O'Hare (ORD) 3 12:50 Missoula (MSO)
Alaska Airlines AS 4743 Non-stop Embraer EMB 175 (E75) 3:55 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 4199)
Daily 09:58 Chicago O'Hare (ORD) 3 12:54 Missoula (MSO)
Alaska Airlines AS 4743 Non-stop Embraer EMB 175 (E75) 3:56 Effective 2026-02-12 through 2026-03-07
Codeshare flight, operated by American Airlines.(AA 4199)
Daily 20:20 Chicago O'Hare (ORD) 3 23:03 Missoula (MSO)
Alaska Airlines AS 6018 Non-stop Embraer EMB 175 (E75) 3:43 Effective 2026-09-09 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 3814)
Daily 09:40 Chicago O'Hare (ORD) 3 12:30 Missoula (MSO)
Alaska Airlines AS 6102 Non-stop Embraer EMB 175 (E75) 3:50 Effective 2026-09-09 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 3502)
Daily 09:40 Chicago O'Hare (ORD) 3 12:16 Missoula (MSO)
Alaska Airlines AS 6449 Non-stop Embraer EMB 175 (E75) 3:36 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 3905)
Daily 09:40 Chicago O'Hare (ORD) 3 12:24 Missoula (MSO)
Alaska Airlines AS 6592 Non-stop Embraer EMB 175 (E75) 3:44 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 3718)




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Alaska Airlines flights from Chicago O'Hare (ORD) to Missoula (MSO).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4165
09:40
Chicago O'Hare (ORD) 3

12:15
Missoula (MSO)
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3726)
Duration: 3:35, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4556
20:20
Chicago O'Hare (ORD) 3

23:19
Missoula (MSO)
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3898)
Duration: 3:59, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4556
20:20
Chicago O'Hare (ORD) 3

23:15
Missoula (MSO)
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3898)
Duration: 3:55, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4556
20:40
Chicago O'Hare (ORD) 3

23:28
Missoula (MSO)
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3848)
Duration: 3:48, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4571
09:45
Chicago O'Hare (ORD) 3

12:25
Missoula (MSO)
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4199)
Duration: 3:40, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4571
09:50
Chicago O'Hare (ORD) 3

12:48
Missoula (MSO)
Effective 2026-03-09 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4199)
Duration: 3:58, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4571
09:58
Chicago O'Hare (ORD) 3

12:51
Missoula (MSO)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4199)
Duration: 3:53, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4743
09:53
Chicago O'Hare (ORD) 3

12:48
Missoula (MSO)
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4199)
Duration: 3:55, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4743
09:55
Chicago O'Hare (ORD) 3

12:50
Missoula (MSO)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4199)
Duration: 3:55, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4743
09:58
Chicago O'Hare (ORD) 3

12:54
Missoula (MSO)
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4199)
Duration: 3:56, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS6018
20:20
Chicago O'Hare (ORD) 3

23:03
Missoula (MSO)
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3814)
Duration: 3:43, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS6102
09:40
Chicago O'Hare (ORD) 3

12:30
Missoula (MSO)
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3502)
Duration: 3:50, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS6449
09:40
Chicago O'Hare (ORD) 3

12:16
Missoula (MSO)
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3905)
Duration: 3:36, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS6592
09:40
Chicago O'Hare (ORD) 3

12:24
Missoula (MSO)
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3718)
Duration: 3:44, non-stop
Embraer EMB 175 (E75)
  • A domestic route departing from the Chicago O'Hare airport (ORD) and arriving at Missoula airport (MSO).
  • The flight distance is 1328 miles, or 2137 km.
  • The timezone of the departure airport is UTC-6 , 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 3:35 and 3:59.
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