American Airlines flight AA 4509: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 05:30 Pittsburgh (PIT) 06:20 Chicago O'Hare (ORD) 3
AA 4509 Non-stop Embraer EMB 175 (E75) 1:50 Effective 2025-08-06 through 2025-09-02
Thu 06:00 Charleston (CHS) 07:42 Ronald Reagan Washington (DCA) 2
AA 4509 Non-stop Embraer EMB 175 (E75) 1:42 Operates only on 2025-06-05
Daily 10:20 Philadelphia (PHL) 13:40 Key West (EYW)
AA 4509 Non-stop Embraer EMB 175 (E75) 3:20 Effective 2025-09-03 through 2025-10-05
Mon-Fri,Sun 14:27 Philadelphia (PHL) 15:54 Burlington (BTV)
AA 4509 Non-stop Embraer EMB 175 (E75) 1:27 Effective 2025-07-06 through 2025-08-05
Daily 14:49 Key West (EYW) 17:55 Philadelphia (PHL)
AA 4509 Non-stop Embraer EMB 175 (E75) 3:06 Effective 2025-10-06 through 2025-10-25
Daily 14:51 Key West (EYW) 17:55 Philadelphia (PHL)
AA 4509 Non-stop Embraer EMB 175 (E75) 3:04 Effective 2025-09-03 through 2025-10-05
Mon-Fri,Sun 16:24 Burlington (BTV) 17:55 Philadelphia (PHL)
AA 4509 Non-stop Embraer EMB 175 (E75) 1:31 Effective 2025-07-06 through 2025-08-05
Daily 17:20 Pittsburgh (PIT) 18:49 New York LaGuardia (LGA) B
AA 4509 Non-stop Embraer EMB 175 (E75) 1:29 Effective 2026-01-06 through 2026-02-11
Daily 17:27 Pittsburgh (PIT) 18:49 New York LaGuardia (LGA) B
AA 4509 Non-stop Embraer EMB 175 (E75) 1:22 Effective 2025-12-03 through 2025-12-17
Daily 17:39 Pittsburgh (PIT) 19:00 New York LaGuardia (LGA) B
AA 4509 Non-stop Embraer EMB 175 (E75) 1:21 Effective 2025-12-18 through 2026-01-05
Daily 17:41 Pittsburgh (PIT) 19:00 New York LaGuardia (LGA) B
AA 4509 Non-stop Embraer EMB 175 (E75) 1:19 Effective 2025-11-02 through 2025-12-02
Daily 18:35 Philadelphia (PHL) 19:54 Boston Logan (BOS) B
AA 4509 Non-stop Embraer EMB 175 (E75) 1:19 Effective from 2026-02-12
Daily 20:11 Raleigh/Durham (RDU) 2 21:57 New York John F. Kennedy (JFK) 8
AA 4509 Non-stop Embraer EMB 175 (E75) 1:46 Effective 2025-10-26 through 2025-11-01
Daily 21:39 New York John F. Kennedy (JFK) 8 23:15 Norfolk (ORF)
AA 4509 Non-stop Embraer EMB 175 (E75) 1:36 Valid until 2025-05-04
Mon-Fri,Sun 22:00 New York John F. Kennedy (JFK) 8 23:36 Norfolk (ORF)
AA 4509 Non-stop Embraer EMB 175 (E75) 1:36 Effective 2025-05-05 through 2025-06-04
Sat 22:00 New York John F. Kennedy (JFK) 8 23:36 Norfolk (ORF)
AA 4509 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:36 Effective 2025-05-10 through 2025-05-31
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This flight number is listed as serving the following routes:


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American Airlines flight AA 4509: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA4509
05:30
Pittsburgh (PIT)

06:20
Chicago O'Hare (ORD) 3
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:50, non-stop
Embraer EMB 175 (E75)
American Airlines AA4509
06:00
Charleston (CHS)

07:42
Ronald Reagan Washington (DCA) 2
Operates only on 2025-06-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:42, non-stop
Embraer EMB 175 (E75)
American Airlines AA4509
10:20
Philadelphia (PHL)

13:40
Key West (EYW)
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:20, non-stop
Embraer EMB 175 (E75)
American Airlines AA4509
14:27
Philadelphia (PHL)

15:54
Burlington (BTV)
Effective 2025-07-06 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:27, non-stop
Embraer EMB 175 (E75)
American Airlines AA4509
14:49
Key West (EYW)

17:55
Philadelphia (PHL)
Effective 2025-10-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:06, non-stop
Embraer EMB 175 (E75)
American Airlines AA4509
14:51
Key West (EYW)

17:55
Philadelphia (PHL)
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:04, non-stop
Embraer EMB 175 (E75)
American Airlines AA4509
16:24
Burlington (BTV)

17:55
Philadelphia (PHL)
Effective 2025-07-06 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:31, non-stop
Embraer EMB 175 (E75)
American Airlines AA4509
17:20
Pittsburgh (PIT)

18:49
New York LaGuardia (LGA) B
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:29, non-stop
Embraer EMB 175 (E75)
American Airlines AA4509
17:27
Pittsburgh (PIT)

18:49
New York LaGuardia (LGA) B
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:22, non-stop
Embraer EMB 175 (E75)
American Airlines AA4509
17:39
Pittsburgh (PIT)

19:00
New York LaGuardia (LGA) B
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:21, non-stop
Embraer EMB 175 (E75)
American Airlines AA4509
17:41
Pittsburgh (PIT)

19:00
New York LaGuardia (LGA) B
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:19, non-stop
Embraer EMB 175 (E75)
American Airlines AA4509
18:35
Philadelphia (PHL)

19:54
Boston Logan (BOS) B
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:19, non-stop
Embraer EMB 175 (E75)
American Airlines AA4509
20:11
Raleigh/Durham (RDU) 2

21:57
New York John F. Kennedy (JFK) 8
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:46, non-stop
Embraer EMB 175 (E75)
American Airlines AA4509
21:39
New York John F. Kennedy (JFK) 8

23:15
Norfolk (ORF)
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:36, non-stop
Embraer EMB 175 (E75)
American Airlines AA4509
22:00
New York John F. Kennedy (JFK) 8

23:36
Norfolk (ORF)
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:36, non-stop
Embraer EMB 175 (E75)
American Airlines AA4509
22:00
New York John F. Kennedy (JFK) 8

23:36
Norfolk (ORF)
Effective 2025-05-10 through 2025-05-31
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:
  • Charleston (CHS) - Ronald Reagan Washington (DCA)
  • Key West (EYW) - Philadelphia (PHL)
  • New York John F. Kennedy (JFK) - Norfolk (ORF)
  • Philadelphia (PHL) - Boston Logan (BOS)
  • Philadelphia (PHL) - Burlington (BTV)
  • Pittsburgh (PIT) - Chicago O'Hare (ORD)
  • Pittsburgh (PIT) - New York LaGuardia (LGA)
  • Raleigh/Durham (RDU) - New York John F. Kennedy (JFK)
All American Airlines flights
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