American Airlines flight AA 4539: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 09:00 Pittsburgh (PIT) 09:52 Chicago O'Hare (ORD) 3
AA 4539 Non-stop Embraer EMB 175 (E75) 1:52 Effective 2025-08-06 through 2025-09-02
Daily 15:51 Boston Logan (BOS) B 18:14 John Glenn Columbus (CMH)
AA 4539 Non-stop Embraer EMB 175 (E75) 2:23 Effective 2025-11-02 through 2025-12-02
Daily 16:40 Chicago O'Hare (ORD) 3 17:54 Cedar Rapids (CID)
AA 4539 Non-stop Embraer EMB 175 (E75) 1:14 Effective 2025-12-18 through 2026-01-05
Daily 16:40 Chicago O'Hare (ORD) 3 17:42 Cedar Rapids (CID)
AA 4539 Non-stop Embraer EMB 175 (E75) 1:02 Effective from 2026-02-12
Daily 18:25 Cedar Rapids (CID) 19:50 Chicago O'Hare (ORD) 3
AA 4539 Non-stop Embraer EMB 175 (E75) 1:25 Effective 2025-12-18 through 2026-01-05
Daily 18:34 Cedar Rapids (CID) 19:50 Chicago O'Hare (ORD) 3
AA 4539 Non-stop Embraer EMB 175 (E75) 1:16 Effective from 2026-02-12
Daily 18:44 John Glenn Columbus (CMH) 20:37 Boston Logan (BOS) B
AA 4539 Non-stop Embraer EMB 175 (E75) 1:53 Effective 2025-11-02 through 2025-12-02
Tue 20:50 Chicago O'Hare (ORD) 3 23:36 Pittsburgh (PIT)
AA 4539 Non-stop Embraer EMB 175 (E75) 1:46 Operates only on 2025-07-01
Daily 20:54 Chicago O'Hare (ORD) 3 23:44 Pittsburgh (PIT)
AA 4539 Non-stop Embraer EMB 175 (E75) 1:50 Effective 2025-07-05 through 2025-08-05
Daily 20:54 Chicago O'Hare (ORD) 3 23:44 Pittsburgh (PIT)
AA 4539 Non-stop Embraer EMB 175 (E75) 1:50 Effective 2025-09-03 through 2025-10-05
Mon-Fri,Sun 21:10 New York LaGuardia (LGA) B 22:51 Raleigh/Durham (RDU) 2
AA 4539 Non-stop Embraer EMB 175 (E75) 1:41 Valid until 2025-05-04
Mon-Fri,Sun 21:25 New York LaGuardia (LGA) B 23:07 Raleigh/Durham (RDU) 2
AA 4539 Non-stop Embraer EMB 175 (E75) 1:42 Effective 2025-05-05 through 2025-06-04
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This flight number is listed as serving the following routes:


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American Airlines flight AA 4539: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA4539
09:00
Pittsburgh (PIT)

09:52
Chicago O'Hare (ORD) 3
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:52, non-stop
Embraer EMB 175 (E75)
American Airlines AA4539
15:51
Boston Logan (BOS) B

18:14
John Glenn Columbus (CMH)
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:23, non-stop
Embraer EMB 175 (E75)
American Airlines AA4539
16:40
Chicago O'Hare (ORD) 3

17:54
Cedar Rapids (CID)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:14, non-stop
Embraer EMB 175 (E75)
American Airlines AA4539
16:40
Chicago O'Hare (ORD) 3

17:42
Cedar Rapids (CID)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:02, non-stop
Embraer EMB 175 (E75)
American Airlines AA4539
18:25
Cedar Rapids (CID)

19:50
Chicago O'Hare (ORD) 3
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:25, non-stop
Embraer EMB 175 (E75)
American Airlines AA4539
18:34
Cedar Rapids (CID)

19:50
Chicago O'Hare (ORD) 3
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:16, non-stop
Embraer EMB 175 (E75)
American Airlines AA4539
18:44
John Glenn Columbus (CMH)

20:37
Boston Logan (BOS) B
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:53, non-stop
Embraer EMB 175 (E75)
American Airlines AA4539
20:50
Chicago O'Hare (ORD) 3

23:36
Pittsburgh (PIT)
Operates only on 2025-07-01
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:46, non-stop
Embraer EMB 175 (E75)
American Airlines AA4539
20:54
Chicago O'Hare (ORD) 3

23:44
Pittsburgh (PIT)
Effective 2025-07-05 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:50, non-stop
Embraer EMB 175 (E75)
American Airlines AA4539
20:54
Chicago O'Hare (ORD) 3

23:44
Pittsburgh (PIT)
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:50, non-stop
Embraer EMB 175 (E75)
American Airlines AA4539
21:10
New York LaGuardia (LGA) B

22:51
Raleigh/Durham (RDU) 2
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:41, non-stop
Embraer EMB 175 (E75)
American Airlines AA4539
21:25
New York LaGuardia (LGA) B

23:07
Raleigh/Durham (RDU) 2
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:42, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Cedar Rapids (CID)
  • John Glenn Columbus (CMH) - Boston Logan (BOS)
  • New York LaGuardia (LGA) - Raleigh/Durham (RDU)
  • Pittsburgh (PIT) - Chicago O'Hare (ORD)
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