American Airlines
flight
AA 4509:
Multiple routes
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA4509
Effective 2026-02-13 through 2026-03-06
Mon
Tue
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Wed
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Thu
Fri
Sat
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Sun
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Duration: 1:39, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4509
Effective 2026-02-17 through 2026-03-04
Mon
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Tue
Wed
Thu
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Fri
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Sat
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Sun
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Duration: 1:39, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4509
Effective 2026-02-15 through 2026-03-01
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Duration: 2:31, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4509
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:54, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4509
Operates only on 2026-01-05
Mon
Tue
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Wed
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Thu
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Fri
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Sat
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Sun
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Duration: 2:02, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4509
Valid until 2026-01-02
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
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-
Duration: 1:59, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4509
Operates only on 2026-01-03
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Duration: 1:59, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4509
Operates only on 2026-01-04
Mon
-
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Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Duration: 1:59, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4509
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:25, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4509
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Duration: 1:53, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4509
Effective 2026-03-14 through 2026-04-04
Mon
-
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Duration: 1:53, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4509
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
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-
Duration: 1:44, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4509
Operates only on 2026-01-03
Mon
-
-
Tue
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Wed
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Thu
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-
Fri
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Sat
Sun
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-
Duration: 1:44, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4509
Operates only on 2026-01-04
Mon
-
-
Tue
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Wed
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Thu
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Fri
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Sat
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-
Sun
Duration: 1:44, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4509
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:40, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4509
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:35, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4509
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Duration: 1:49, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4509
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:26, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4509
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:13, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4509
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:47, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4509
Effective 2026-01-11 through 2026-02-08
Mon
-
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Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Duration: 1:37, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4509
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 1:37, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4509
Effective 2026-02-14 through 2026-03-07
Mon
-
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Duration: 1:27, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4509
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:48, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4509
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:36, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
This flight number is listed as serving the following routes:
- Hartford (BDL) - Ronald Reagan Washington (DCA)
- Kansas City (MCI) - Chicago O'Hare (ORD)
- Key West (EYW) - Philadelphia (PHL)
- New Orleans (MSY) - Ronald Reagan Washington (DCA)
- New York John F. Kennedy (JFK) - Norfolk (ORF)
- Philadelphia (PHL) - Bangor (BGR)
- Philadelphia (PHL) - Boston Logan (BOS)
- Pittsburgh (PIT) - Chicago O'Hare (ORD)
- Pittsburgh (PIT) - New York LaGuardia (LGA)
- Raleigh/Durham (RDU) - Nashville (BNA)
- Raleigh/Durham (RDU) - New York John F. Kennedy (JFK)
- Saint Louis (STL) - New York LaGuardia (LGA)