American Airlines flight AA 4155: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 09:40 Chicago O'Hare (ORD) 3 11:47 Tulsa (TUL)
AA 4155 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:07 Effective 2025-10-06 through 2025-11-01
Daily 09:40 Chicago O'Hare (ORD) 3 11:45 Tulsa (TUL)
AA 4155 Non-stop Embraer EMB 175 (E75) 2:05 Effective 2025-11-02 through 2025-12-02
Daily 09:40 Chicago O'Hare (ORD) 3 11:49 Tulsa (TUL)
AA 4155 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:09 Effective 2025-12-03 through 2025-12-17
Daily 12:22 Tulsa (TUL) 14:20 Chicago O'Hare (ORD) 3
AA 4155 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:58 Effective 2025-10-06 through 2025-10-25
Daily 13:24 Chicago O'Hare (ORD) 3 15:17 Tulsa (TUL)
AA 4155 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:53 Effective 2025-09-03 through 2025-10-05
Daily 13:45 Chicago O'Hare (ORD) 3 16:32 Harrisburg (MDT)
AA 4155 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:47 Valid until 2025-05-04
Daily 15:53 Tulsa (TUL) 18:02 Chicago O'Hare (ORD) 3
AA 4155 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:09 Effective 2025-08-06 through 2025-10-05
Daily 17:07 Harrisburg (MDT) 18:25 Chicago O'Hare (ORD) 3
AA 4155 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:18 Valid until 2025-05-04
Daily 20:25 Chicago O'Hare (ORD) 3 23:01 Louisville (SDF)
AA 4155 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:36 Effective 2025-05-05 through 2025-05-23
Daily 20:25 Chicago O'Hare (ORD) 3 23:01 Louisville (SDF)
AA 4155 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:36 Effective 2025-05-25 through 2025-06-04
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This flight number is listed as serving the following routes:


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American Airlines flight AA 4155: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA4155
09:40
Chicago O'Hare (ORD) 3

11:47
Tulsa (TUL)
Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:07, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4155
09:40
Chicago O'Hare (ORD) 3

11:45
Tulsa (TUL)
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:05, non-stop
Embraer EMB 175 (E75)
American Airlines AA4155
09:40
Chicago O'Hare (ORD) 3

11:49
Tulsa (TUL)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:09, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4155
12:22
Tulsa (TUL)

14:20
Chicago O'Hare (ORD) 3
Effective 2025-10-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:58, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4155
13:24
Chicago O'Hare (ORD) 3

15:17
Tulsa (TUL)
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:53, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4155
13:45
Chicago O'Hare (ORD) 3

16:32
Harrisburg (MDT)
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:47, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4155
15:53
Tulsa (TUL)

18:02
Chicago O'Hare (ORD) 3
Effective 2025-08-06 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:09, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4155
17:07
Harrisburg (MDT)

18:25
Chicago O'Hare (ORD) 3
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:18, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4155
20:25
Chicago O'Hare (ORD) 3

23:01
Louisville (SDF)
Effective 2025-05-05 through 2025-05-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:36, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4155
20:25
Chicago O'Hare (ORD) 3

23:01
Louisville (SDF)
Effective 2025-05-25 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:36, non-stop
Embraer EMB 170 / EMB 175 (E70)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Louisville (SDF)
  • Chicago O'Hare (ORD) - Tulsa (TUL)
  • Harrisburg (MDT) - Chicago O'Hare (ORD)
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