American Airlines flight AA 4251: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 06:00 Baltimore (BWI) 07:22 Chicago O'Hare (ORD) 3
AA 4251 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:22 Effective 2025-06-06 through 2025-07-02
Thu 06:00 Baltimore (BWI) 07:22 Chicago O'Hare (ORD) 3
AA 4251 Non-stop Embraer EMB 175 (E75) 2:22 Operates only on 2025-07-03
Daily 06:00 Baltimore (BWI) 07:12 Chicago O'Hare (ORD) 3
AA 4251 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:12 Effective 2025-07-05 through 2025-08-05
Daily 06:00 Baltimore (BWI) 07:12 Chicago O'Hare (ORD) 3
AA 4251 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:12 Effective 2025-09-03 through 2025-10-05
Fri 06:03 Baltimore (BWI) 07:25 Chicago O'Hare (ORD) 3
AA 4251 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:22 Operates only on 2025-07-04
Daily 06:12 Charleston (CHS) 07:50 Miami (MIA)
AA 4251 Non-stop Embraer EMB 175 (E75) 1:38 Effective 2025-08-06 through 2025-09-02
Mon-Fri 07:25 Tallahassee (TLH) 09:01 Dallas Fort Worth (DFW)
AA 4251 Non-stop Embraer EMB 175 (E75) 2:36 Valid until 2025-05-02
Sat,Sun 07:28 Tallahassee (TLH) 09:04 Dallas Fort Worth (DFW)
AA 4251 Non-stop Embraer EMB 175 (E75) 2:36 Valid until 2025-05-04
Daily 07:37 Tallahassee (TLH) 09:19 Dallas Fort Worth (DFW)
AA 4251 Non-stop Embraer EMB 175 (E75) 2:42 Effective 2026-01-06 through 2026-02-11
Daily 07:40 Tallahassee (TLH) 09:19 Dallas Fort Worth (DFW)
AA 4251 Non-stop Embraer EMB 175 (E75) 2:39 Effective from 2026-02-12
Daily 07:41 Tallahassee (TLH) 09:19 Dallas Fort Worth (DFW)
AA 4251 Non-stop Embraer EMB 175 (E75) 2:38 Effective 2025-12-18 through 2026-01-05
Daily 07:42 Tallahassee (TLH) 09:20 Dallas Fort Worth (DFW)
AA 4251 Non-stop Embraer EMB 175 (E75) 2:38 Effective 2025-11-02 through 2025-12-02
Daily 07:42 Tallahassee (TLH) 09:19 Dallas Fort Worth (DFW)
AA 4251 Non-stop Embraer EMB 175 (E75) 2:37 Effective 2025-12-03 through 2025-12-17
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This flight number is listed as serving the following routes:


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American Airlines flight AA 4251: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA4251
06:00
Baltimore (BWI)

07:22
Chicago O'Hare (ORD) 3
Effective 2025-06-06 through 2025-07-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:22, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4251
06:00
Baltimore (BWI)

07:22
Chicago O'Hare (ORD) 3
Operates only on 2025-07-03
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:22, non-stop
Embraer EMB 175 (E75)
American Airlines AA4251
06:00
Baltimore (BWI)

07:12
Chicago O'Hare (ORD) 3
Effective 2025-07-05 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:12, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4251
06:00
Baltimore (BWI)

07:12
Chicago O'Hare (ORD) 3
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:12, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4251
06:03
Baltimore (BWI)

07:25
Chicago O'Hare (ORD) 3
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:22, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4251
06:12
Charleston (CHS)

07:50
Miami (MIA)
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:38, non-stop
Embraer EMB 175 (E75)
American Airlines AA4251
07:25
Tallahassee (TLH)

09:01
Dallas Fort Worth (DFW)
Valid until 2025-05-02
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:36, non-stop
Embraer EMB 175 (E75)
American Airlines AA4251
07:28
Tallahassee (TLH)

09:04
Dallas Fort Worth (DFW)
Valid until 2025-05-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 2:36, non-stop
Embraer EMB 175 (E75)
American Airlines AA4251
07:37
Tallahassee (TLH)

09:19
Dallas Fort Worth (DFW)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:42, non-stop
Embraer EMB 175 (E75)
American Airlines AA4251
07:40
Tallahassee (TLH)

09:19
Dallas Fort Worth (DFW)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:39, non-stop
Embraer EMB 175 (E75)
American Airlines AA4251
07:41
Tallahassee (TLH)

09:19
Dallas Fort Worth (DFW)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:38, non-stop
Embraer EMB 175 (E75)
American Airlines AA4251
07:42
Tallahassee (TLH)

09:20
Dallas Fort Worth (DFW)
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:38, non-stop
Embraer EMB 175 (E75)
American Airlines AA4251
07:42
Tallahassee (TLH)

09:19
Dallas Fort Worth (DFW)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:37, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Baltimore (BWI) - Chicago O'Hare (ORD)
  • Charleston (CHS) - Miami (MIA)
  • Tallahassee (TLH) - Dallas Fort Worth (DFW)
All American Airlines flights
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