American Airlines flight AA 4051: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon,Wed-Sat 11:34 Chicago O'Hare (ORD) 3 13:10 Omaha (OMA)
AA 4051 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:36 Effective 2025-07-05 through 2025-08-04
Tue 11:39 Chicago O'Hare (ORD) 3 13:15 Omaha (OMA)
AA 4051 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:36 Effective 2025-07-08 through 2025-08-05
Sun 11:40 Chicago O'Hare (ORD) 3 13:14 Omaha (OMA)
AA 4051 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:34 Effective 2025-06-08 through 2025-06-29
Sun 11:40 Chicago O'Hare (ORD) 3 13:17 Omaha (OMA)
AA 4051 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:37 Effective 2025-07-06 through 2025-08-03
Mon-Fri 11:59 Chicago O'Hare (ORD) 3 13:33 Omaha (OMA)
AA 4051 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:34 Effective 2025-06-05 through 2025-07-03
Sat 12:00 Chicago O'Hare (ORD) 3 13:33 Omaha (OMA)
AA 4051 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:33 Effective 2025-06-07 through 2025-06-28
Daily 12:00 Miami (MIA) 13:00 Key West (EYW)
AA 4051 Non-stop Embraer EMB 175 (E75) 1:00 Effective 2025-10-26 through 2025-11-01
Daily 12:00 Miami (MIA) 13:03 Key West (EYW)
AA 4051 Non-stop Embraer EMB 175 (E75) 1:03 Effective 2025-11-02 through 2025-12-02
Daily 12:00 Miami (MIA) 13:09 Key West (EYW)
AA 4051 Non-stop Embraer EMB 175 (E75) 1:09 Effective 2025-12-03 through 2026-01-05
Daily 12:00 Miami (MIA) 13:06 Key West (EYW)
AA 4051 Non-stop Embraer EMB 175 (E75) 1:06 Effective 2026-01-06 through 2026-02-11
Daily 12:00 Miami (MIA) 13:10 Key West (EYW)
AA 4051 Non-stop Embraer EMB 175 (E75) 1:10 Effective from 2026-02-12
Fri 12:27 Chicago O'Hare (ORD) 3 14:00 Omaha (OMA)
AA 4051 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:33 Operates only on 2025-07-04
Daily 13:39 Key West (EYW) 14:27 Miami (MIA)
AA 4051 Non-stop Embraer EMB 175 (E75) 0:48 Valid until 2025-05-04
Mon,Wed-Sat 13:40 Omaha (OMA) 15:23 Chicago O'Hare (ORD) 3
AA 4051 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:43 Effective 2025-07-05 through 2025-08-04
Sun 13:44 Omaha (OMA) 15:23 Chicago O'Hare (ORD) 3
AA 4051 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:39 Effective 2025-06-08 through 2025-06-29
Tue 13:45 Omaha (OMA) 15:28 Chicago O'Hare (ORD) 3
AA 4051 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:43 Effective 2025-07-08 through 2025-08-05
Sun 13:48 Omaha (OMA) 15:31 Chicago O'Hare (ORD) 3
AA 4051 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:43 Effective 2025-07-06 through 2025-08-03
Daily 13:55 Key West (EYW) 14:50 Miami (MIA)
AA 4051 Non-stop Embraer EMB 175 (E75) 0:55 Effective 2025-12-03 through 2025-12-17
Daily 13:55 Key West (EYW) 14:50 Miami (MIA)
AA 4051 Non-stop Embraer EMB 175 (E75) 0:55 Effective 2026-01-06 through 2026-02-11
Daily 13:57 Key West (EYW) 14:50 Miami (MIA)
AA 4051 Non-stop Embraer EMB 175 (E75) 0:53 Effective 2025-12-18 through 2026-01-05
Daily 13:59 Key West (EYW) 14:50 Miami (MIA)
AA 4051 Non-stop Embraer EMB 175 (E75) 0:51 Effective from 2026-02-12
Daily 14:00 Key West (EYW) 14:50 Miami (MIA)
AA 4051 Non-stop Embraer EMB 175 (E75) 0:50 Effective 2025-10-26 through 2025-12-02
Mon-Sat 14:03 Omaha (OMA) 15:42 Chicago O'Hare (ORD) 3
AA 4051 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:39 Effective 2025-06-05 through 2025-07-03
Fri 14:30 Omaha (OMA) 16:10 Chicago O'Hare (ORD) 3
AA 4051 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:40 Operates only on 2025-07-04
Daily 16:00 Key West (EYW) 16:50 Miami (MIA)
AA 4051 Non-stop Embraer EMB 175 (E75) 0:50 Effective 2025-08-06 through 2025-09-02
Daily 16:01 Key West (EYW) 16:50 Miami (MIA)
AA 4051 Non-stop Embraer EMB 175 (E75) 0:49 Effective 2025-09-03 through 2025-10-05
Daily 17:30 Key West (EYW) 18:16 Miami (MIA)
AA 4051 Non-stop Embraer EMB 175 (E75) 0:46 Effective 2025-05-05 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 4051: Multiple routes
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Select flight date:  Show Calendar
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA4051
11:34
Chicago O'Hare (ORD) 3

13:10
Omaha (OMA)
Effective 2025-07-05 through 2025-08-04
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:36, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4051
11:39
Chicago O'Hare (ORD) 3

13:15
Omaha (OMA)
Effective 2025-07-08 through 2025-08-05
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:36, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4051
11:40
Chicago O'Hare (ORD) 3

13:14
Omaha (OMA)
Effective 2025-06-08 through 2025-06-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:34, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4051
11:40
Chicago O'Hare (ORD) 3

13:17
Omaha (OMA)
Effective 2025-07-06 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:37, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4051
11:59
Chicago O'Hare (ORD) 3

13:33
Omaha (OMA)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:34, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4051
12:00
Chicago O'Hare (ORD) 3

13:33
Omaha (OMA)
Effective 2025-06-07 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:33, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4051
12:00
Miami (MIA)

13:00
Key West (EYW)
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:00, non-stop
Embraer EMB 175 (E75)
American Airlines AA4051
12:00
Miami (MIA)

13:03
Key West (EYW)
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:03, non-stop
Embraer EMB 175 (E75)
American Airlines AA4051
12:00
Miami (MIA)

13:09
Key West (EYW)
Effective 2025-12-03 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:09, non-stop
Embraer EMB 175 (E75)
American Airlines AA4051
12:00
Miami (MIA)

13:06
Key West (EYW)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:06, non-stop
Embraer EMB 175 (E75)
American Airlines AA4051
12:00
Miami (MIA)

13:10
Key West (EYW)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:10, non-stop
Embraer EMB 175 (E75)
American Airlines AA4051
12:27
Chicago O'Hare (ORD) 3

14:00
Omaha (OMA)
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:33, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4051
13:39
Key West (EYW)

14:27
Miami (MIA)
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:48, non-stop
Embraer EMB 175 (E75)
American Airlines AA4051
13:40
Omaha (OMA)

15:23
Chicago O'Hare (ORD) 3
Effective 2025-07-05 through 2025-08-04
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:43, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4051
13:44
Omaha (OMA)

15:23
Chicago O'Hare (ORD) 3
Effective 2025-06-08 through 2025-06-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:39, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4051
13:45
Omaha (OMA)

15:28
Chicago O'Hare (ORD) 3
Effective 2025-07-08 through 2025-08-05
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:43, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4051
13:48
Omaha (OMA)

15:31
Chicago O'Hare (ORD) 3
Effective 2025-07-06 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:43, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4051
13:55
Key West (EYW)

14:50
Miami (MIA)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:55, non-stop
Embraer EMB 175 (E75)
American Airlines AA4051
13:55
Key West (EYW)

14:50
Miami (MIA)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:55, non-stop
Embraer EMB 175 (E75)
American Airlines AA4051
13:57
Key West (EYW)

14:50
Miami (MIA)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:53, non-stop
Embraer EMB 175 (E75)
American Airlines AA4051
13:59
Key West (EYW)

14:50
Miami (MIA)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:51, non-stop
Embraer EMB 175 (E75)
American Airlines AA4051
14:00
Key West (EYW)

14:50
Miami (MIA)
Effective 2025-10-26 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:50, non-stop
Embraer EMB 175 (E75)
American Airlines AA4051
14:03
Omaha (OMA)

15:42
Chicago O'Hare (ORD) 3
Effective 2025-06-05 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:39, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4051
14:30
Omaha (OMA)

16:10
Chicago O'Hare (ORD) 3
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:40, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4051
16:00
Key West (EYW)

16:50
Miami (MIA)
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:50, non-stop
Embraer EMB 175 (E75)
American Airlines AA4051
16:01
Key West (EYW)

16:50
Miami (MIA)
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:49, non-stop
Embraer EMB 175 (E75)
American Airlines AA4051
17:30
Key West (EYW)

18:16
Miami (MIA)
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:46, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Omaha (OMA)
  • Miami (MIA) - Key West (EYW)
All American Airlines flights
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