American Airlines flight AA 4199: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 09:45 Chicago O'Hare (ORD) 3 12:25 Missoula (MSO)
AA 4199 Non-stop Embraer EMB 175 (E75) 3:40 Effective 2026-04-07 through 2026-05-20
Mon-Sat 09:50 Chicago O'Hare (ORD) 3 12:48 Missoula (MSO)
AA 4199 Non-stop Embraer EMB 175 (E75) 3:58 Effective 2026-03-09 through 2026-04-06
Mon,Wed-Sun 09:53 Chicago O'Hare (ORD) 3 12:48 Missoula (MSO)
AA 4199 Non-stop Embraer EMB 175 (E75) 3:55 Valid until 2026-01-05
Daily 09:55 Chicago O'Hare (ORD) 3 12:50 Missoula (MSO)
AA 4199 Non-stop Embraer EMB 175 (E75) 3:55 Effective 2026-01-06 through 2026-02-11
Daily 09:58 Chicago O'Hare (ORD) 3 12:54 Missoula (MSO)
AA 4199 Non-stop Embraer EMB 175 (E75) 3:56 Effective 2026-02-12 through 2026-03-07
Sun 09:58 Chicago O'Hare (ORD) 3 12:51 Missoula (MSO)
AA 4199 Non-stop Embraer EMB 175 (E75) 3:53 Effective 2026-03-08 through 2026-04-05
Daily 13:05 Missoula (MSO) 17:35 Chicago O'Hare (ORD) 3
AA 4199 Non-stop Embraer EMB 175 (E75) 3:30 Effective 2026-04-07 through 2026-05-20
Mon,Wed-Sun 13:18 Missoula (MSO) 17:50 Chicago O'Hare (ORD) 3
AA 4199 Non-stop Embraer EMB 175 (E75) 3:32 Valid until 2026-01-05
Mon-Sat 13:20 Missoula (MSO) 17:55 Chicago O'Hare (ORD) 3
AA 4199 Non-stop Embraer EMB 175 (E75) 3:35 Effective 2026-03-09 through 2026-04-06
Daily 13:21 Missoula (MSO) 17:50 Chicago O'Hare (ORD) 3
AA 4199 Non-stop Embraer EMB 175 (E75) 3:29 Effective 2026-01-06 through 2026-02-11
Sun 13:21 Missoula (MSO) 17:54 Chicago O'Hare (ORD) 3
AA 4199 Non-stop Embraer EMB 175 (E75) 3:33 Effective 2026-03-08 through 2026-04-05
Daily 13:24 Missoula (MSO) 17:57 Chicago O'Hare (ORD) 3
AA 4199 Non-stop Embraer EMB 175 (E75) 3:33 Effective 2026-02-12 through 2026-03-07
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This flight number is listed as serving the following routes:


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American Airlines flight AA 4199: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA4199
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
Duration: 3:40, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4199
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
-
Duration: 3:58, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4199
09:53
Chicago O'Hare (ORD) 3

12:48
Missoula (MSO)
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 3:55, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4199
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
Duration: 3:55, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4199
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
Duration: 3:56, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4199
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
Duration: 3:53, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4199
13:05
Missoula (MSO)

17:35
Chicago O'Hare (ORD) 3
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:30, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4199
13:18
Missoula (MSO)

17:50
Chicago O'Hare (ORD) 3
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 3:32, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4199
13:20
Missoula (MSO)

17:55
Chicago O'Hare (ORD) 3
Effective 2026-03-09 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 3:35, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4199
13:21
Missoula (MSO)

17:50
Chicago O'Hare (ORD) 3
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:29, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4199
13:21
Missoula (MSO)

17:54
Chicago O'Hare (ORD) 3
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:33, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4199
13:24
Missoula (MSO)

17:57
Chicago O'Hare (ORD) 3
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:33, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Missoula (MSO) - Chicago O'Hare (ORD)
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