American Airlines flight AA 4537: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Tue 06:00 Atlanta (ATL) N 07:51 Ronald Reagan Washington (DCA) 2
AA 4537 Non-stop Embraer EMB 175 (E75) 1:51 Operates only on 2026-01-06
Daily 10:00 Ronald Reagan Washington (DCA) 2 11:21 New York LaGuardia (LGA) B
AA 4537 Non-stop Embraer EMB 175 (E75) 1:21 Effective 2026-03-08 through 2026-04-06
Daily 10:15 New York LaGuardia (LGA) B 11:49 Pittsburgh (PIT)
AA 4537 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:34 Effective 2026-04-07 through 2026-05-20
Sat 10:25 Philadelphia (PHL) 12:31 Hilton Head Island (HHH)
AA 4537 Non-stop Embraer EMB 175 (E75) 2:06 Effective 2026-05-23 through 2026-06-27
Sat 12:57 Hilton Head Island (HHH) 14:57 Philadelphia (PHL)
AA 4537 Non-stop Embraer EMB 175 (E75) 2:00 Effective 2026-05-23 through 2026-06-27
Daily 14:50 Chicago O'Hare (ORD) 3 16:24 Saint Louis (STL) 1
AA 4537 Non-stop Embraer EMB 175 (E75) 1:34 Effective 2026-07-02 through 2026-08-04
Daily 18:15 Saint Louis (STL) 1 19:50 Chicago O'Hare (ORD) 3
AA 4537 Non-stop Embraer EMB 175 (E75) 1:35 Effective 2026-07-02 through 2026-08-04
Sun 20:20 Little Rock (LIT) 22:39 Chicago O'Hare (ORD) 3
AA 4537 Non-stop Embraer EMB 175 (E75) 2:19 Operates only on 2026-01-04
Mon-Fri,Sun 20:20 New York LaGuardia (LGA) B 22:15 Raleigh/Durham (RDU) 2
AA 4537 Non-stop Embraer EMB 175 (E75) 1:55 Effective 2026-02-12 through 2026-03-06
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This flight number is listed as serving the following routes:


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American Airlines flight AA 4537: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA4537
06:00
Atlanta (ATL) N

07:51
Ronald Reagan Washington (DCA) 2
Operates only on 2026-01-06
Mon
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Tue
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: 1:51, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4537
10:00
Ronald Reagan Washington (DCA) 2

11:21
New York LaGuardia (LGA) B
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:21, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4537
10:15
New York LaGuardia (LGA) B

11:49
Pittsburgh (PIT)
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:34, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4537
10:25
Philadelphia (PHL)

12:31
Hilton Head Island (HHH)
Effective 2026-05-23 through 2026-06-27
Mon
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Tue
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Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:06, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4537
12:57
Hilton Head Island (HHH)

14:57
Philadelphia (PHL)
Effective 2026-05-23 through 2026-06-27
Mon
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Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
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Duration: 2:00, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4537
14:50
Chicago O'Hare (ORD) 3

16:24
Saint Louis (STL) 1
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:34, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4537
18:15
Saint Louis (STL) 1

19:50
Chicago O'Hare (ORD) 3
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:35, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4537
20:20
Little Rock (LIT)

22:39
Chicago O'Hare (ORD) 3
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
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Fri
-
Sat
-
Sun
Duration: 2:19, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4537
20:20
New York LaGuardia (LGA) B

22:15
Raleigh/Durham (RDU) 2
Effective 2026-02-12 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:55, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Atlanta (ATL) - Ronald Reagan Washington (DCA)
  • Hilton Head Island (HHH) - Philadelphia (PHL)
  • Little Rock (LIT) - Chicago O'Hare (ORD)
  • New York LaGuardia (LGA) - Pittsburgh (PIT)
  • New York LaGuardia (LGA) - Raleigh/Durham (RDU)
  • Ronald Reagan Washington (DCA) - New York LaGuardia (LGA)
  • Saint Louis (STL) - Chicago O'Hare (ORD)
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