American Airlines
flug
AA 4521:
Multiple routes
FLUGPLAN
Direktflüge:
American Airlines AA4521
Valid until 2026-01-05
Mo
Di
Mi
Do
Fr
Sa
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-
So
Duration: 1:58, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direktflüge:
American Airlines AA4521
Operates only on 2026-02-12
Mo
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Di
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Mi
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Do
Fr
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Sa
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So
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-
Duration: 3:07, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direktflüge:
American Airlines AA4521
Valid until 2026-01-03
Mo
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Di
-
-
Mi
-
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Do
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-
Fr
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Sa
So
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Duration: 1:56, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direktflüge:
American Airlines AA4521
Effective 2026-09-09 through 2026-10-04
Mo
Di
Mi
Do
Fr
Sa
So
Duration: 1:45, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direktflüge:
American Airlines AA4521
Effective 2026-04-07 through 2026-05-20
Mo
Di
Mi
Do
Fr
Sa
So
Duration: 2:47, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direktflüge:
American Airlines AA4521
Effective 2026-01-06 through 2026-02-11
Mo
Di
Mi
Do
Fr
Sa
So
Duration: 2:17, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direktflüge:
American Airlines AA4521
Effective 2026-03-09 through 2026-04-06
Mo
Di
Mi
Do
Fr
Sa
-
-
So
-
-
Duration: 2:19, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direktflüge:
American Airlines AA4521
Effective 2026-03-14 through 2026-04-04
Mo
-
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Di
-
-
Mi
-
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Do
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-
Fr
-
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Sa
So
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-
Duration: 2:19, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direktflüge:
American Airlines AA4521
Effective 2026-03-08 through 2026-04-05
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
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-
So
Duration: 2:18, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direktflüge:
American Airlines AA4521
Effective 2026-04-07 through 2026-05-20
Mo
Di
Mi
Do
Fr
Sa
So
Duration: 2:28, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direktflüge:
American Airlines AA4521
Effective 2026-01-06 through 2026-01-16
Mo
Di
Mi
Do
Fr
Sa
So
Duration: 3:05, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direktflüge:
American Airlines AA4521
Effective 2026-01-18 through 2026-02-11
Mo
Di
Mi
Do
Fr
Sa
So
Duration: 3:05, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direktflüge:
American Airlines AA4521
Effective 2026-03-09 through 2026-04-06
Mo
Di
Mi
Do
Fr
Sa
So
-
-
Duration: 3:06, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direktflüge:
American Airlines AA4521
Effective 2026-03-08 through 2026-04-05
Mo
-
-
Di
-
-
Mi
-
-
Do
-
-
Fr
-
-
Sa
-
-
So
Duration: 3:05, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direktflüge:
American Airlines AA4521
Effective 2026-05-21 through 2026-07-01
Mo
Di
Mi
Do
Fr
Sa
So
Duration: 1:34, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direktflüge:
American Airlines AA4521
Effective 2026-07-02 through 2026-08-04
Mo
Di
Mi
Do
Fr
Sa
So
Duration: 1:39, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direktflüge:
American Airlines AA4521
Effective 2026-08-05 through 2026-09-08
Mo
Di
Mi
Do
Fr
Sa
So
Duration: 1:36, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
This flight number is listed as serving the following routes:
- Hartford (BDL) - Chicago O'Hare (ORD)
- Nashville (BNA) - Chicago O'Hare (ORD)
- New York LaGuardia (LGA) - Buffalo (BUF)
- Pittsburgh (PIT) - Chicago O'Hare (ORD)
- Saint Louis (STL) - New York LaGuardia (LGA)