American Airlines flight AA 4431: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 09:40 Chicago O'Hare (ORD) 3 12:41 George Bush, Houston (IAH) A
AA 4431 Non-stop Embraer EMB 175 (E75) 3:01 Effective 2025-12-18 through 2026-01-05
Daily 09:40 Chicago O'Hare (ORD) 3 12:30 George Bush, Houston (IAH) A
AA 4431 Non-stop Embraer EMB 175 (E75) 2:50 Effective 2026-01-06 through 2026-02-11
Daily 09:40 Chicago O'Hare (ORD) 3 12:40 George Bush, Houston (IAH) A
AA 4431 Non-stop Embraer EMB 175 (E75) 3:00 Effective from 2026-02-12
Daily 10:30 Philadelphia (PHL) 12:09 Raleigh/Durham (RDU) 2
AA 4431 Non-stop Embraer EMB 175 (E75) 1:39 Effective 2025-12-03 through 2025-12-17
Sat 11:00 Ronald Reagan Washington (DCA) 2 12:21 Buffalo (BUF)
AA 4431 Non-stop Embraer EMB 175 (E75) 1:21 Valid until 2025-05-03
Daily 11:51 Syracuse (SYR) 13:14 Ronald Reagan Washington (DCA) 2
AA 4431 Non-stop Embraer EMB 175 (E75) 1:23 Effective 2025-08-06 through 2025-09-02
Daily 12:34 Cincinnati (CVG) 13:03 Chicago O'Hare (ORD) 3
AA 4431 Non-stop Embraer EMB 175 (E75) 1:29 Effective 2025-09-03 through 2025-10-05
Sat 12:54 Buffalo (BUF) 14:17 Ronald Reagan Washington (DCA) 2
AA 4431 Non-stop Embraer EMB 175 (E75) 1:23 Valid until 2025-05-03
Fri 13:14 Chicago O'Hare (ORD) 3 15:39 Cleveland Hopkins (CLE)
AA 4431 Non-stop Embraer EMB 175 (E75) 1:25 Operates only on 2025-07-04
Daily 13:23 Raleigh/Durham (RDU) 2 14:55 Philadelphia (PHL)
AA 4431 Non-stop Embraer EMB 175 (E75) 1:32 Effective 2025-12-03 through 2025-12-17
Daily 13:26 George Bush, Houston (IAH) A 16:10 Chicago O'Hare (ORD) 3
AA 4431 Non-stop Embraer EMB 175 (E75) 2:44 Effective 2025-12-18 through 2026-01-05
Daily 13:31 George Bush, Houston (IAH) A 16:10 Chicago O'Hare (ORD) 3
AA 4431 Non-stop Embraer EMB 175 (E75) 2:39 Effective from 2026-02-12
Daily 14:18 George Bush, Houston (IAH) A 17:00 Chicago O'Hare (ORD) 3
AA 4431 Non-stop Embraer EMB 175 (E75) 2:42 Effective 2026-01-06 through 2026-02-11
Sat 14:45 Chicago O'Hare (ORD) 3 18:03 New York LaGuardia (LGA) B
AA 4431 Non-stop Embraer EMB 175 (E75) 2:18 Effective 2025-05-10 through 2025-05-31
Daily 20:14 Ronald Reagan Washington (DCA) 2 21:52 John Glenn Columbus (CMH)
AA 4431 Non-stop Embraer EMB 175 (E75) 1:38 Effective 2025-10-26 through 2025-11-01
Daily 20:59 Ronald Reagan Washington (DCA) 2 22:32 Boston Logan (BOS) B
AA 4431 Non-stop Embraer EMB 175 (E75) 1:33 Effective 2025-06-05 through 2025-07-03
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This flight number is listed as serving the following routes:


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American Airlines flight AA 4431: Multiple routes
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FLIGHT SCHEDULE
Direct Flights:
American Airlines AA4431
09:40
Chicago O'Hare (ORD) 3

12:41
George Bush, Houston (IAH) A
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:01, non-stop
Embraer EMB 175 (E75)
American Airlines AA4431
09:40
Chicago O'Hare (ORD) 3

12:30
George Bush, Houston (IAH) A
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:50, non-stop
Embraer EMB 175 (E75)
American Airlines AA4431
09:40
Chicago O'Hare (ORD) 3

12:40
George Bush, Houston (IAH) A
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:00, non-stop
Embraer EMB 175 (E75)
American Airlines AA4431
10:30
Philadelphia (PHL)

12:09
Raleigh/Durham (RDU) 2
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:39, non-stop
Embraer EMB 175 (E75)
American Airlines AA4431
11:00
Ronald Reagan Washington (DCA) 2

12:21
Buffalo (BUF)
Valid until 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:21, non-stop
Embraer EMB 175 (E75)
American Airlines AA4431
11:51
Syracuse (SYR)

13:14
Ronald Reagan Washington (DCA) 2
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:23, non-stop
Embraer EMB 175 (E75)
American Airlines AA4431
12:34
Cincinnati (CVG)

13:03
Chicago O'Hare (ORD) 3
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:29, non-stop
Embraer EMB 175 (E75)
American Airlines AA4431
12:54
Buffalo (BUF)

14:17
Ronald Reagan Washington (DCA) 2
Valid until 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:23, non-stop
Embraer EMB 175 (E75)
American Airlines AA4431
13:14
Chicago O'Hare (ORD) 3

15:39
Cleveland Hopkins (CLE)
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Embraer EMB 175 (E75)
American Airlines AA4431
13:23
Raleigh/Durham (RDU) 2

14:55
Philadelphia (PHL)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:32, non-stop
Embraer EMB 175 (E75)
American Airlines AA4431
13:26
George Bush, Houston (IAH) A

16:10
Chicago O'Hare (ORD) 3
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:44, non-stop
Embraer EMB 175 (E75)
American Airlines AA4431
13:31
George Bush, Houston (IAH) A

16:10
Chicago O'Hare (ORD) 3
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:39, non-stop
Embraer EMB 175 (E75)
American Airlines AA4431
14:18
George Bush, Houston (IAH) A

17:00
Chicago O'Hare (ORD) 3
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:42, non-stop
Embraer EMB 175 (E75)
American Airlines AA4431
14:45
Chicago O'Hare (ORD) 3

18:03
New York LaGuardia (LGA) B
Effective 2025-05-10 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:18, non-stop
Embraer EMB 175 (E75)
American Airlines AA4431
20:14
Ronald Reagan Washington (DCA) 2

21:52
John Glenn Columbus (CMH)
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:38, non-stop
Embraer EMB 175 (E75)
American Airlines AA4431
20:59
Ronald Reagan Washington (DCA) 2

22:32
Boston Logan (BOS) B
Effective 2025-06-05 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:33, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Buffalo (BUF) - Ronald Reagan Washington (DCA)
  • Chicago O'Hare (ORD) - Cleveland Hopkins (CLE)
  • Chicago O'Hare (ORD) - New York LaGuardia (LGA)
  • Cincinnati (CVG) - Chicago O'Hare (ORD)
  • George Bush, Houston (IAH) - Chicago O'Hare (ORD)
  • Raleigh/Durham (RDU) - Philadelphia (PHL)
  • Ronald Reagan Washington (DCA) - Boston Logan (BOS)
  • Ronald Reagan Washington (DCA) - John Glenn Columbus (CMH)
  • Syracuse (SYR) - Ronald Reagan Washington (DCA)
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