American Airlines flight AA 4645: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon-Fri 06:00 New York LaGuardia (LGA) B 07:23 Boston Logan (BOS) B
AA 4645 Non-stop Embraer EMB 175 (E75) 1:23 Effective 2025-05-05 through 2025-06-04
Mon-Fri 06:05 New York LaGuardia (LGA) B 07:31 Boston Logan (BOS) B
AA 4645 Non-stop Embraer EMB 175 (E75) 1:26 Valid until 2025-05-02
Sat 07:15 New York LaGuardia (LGA) B 08:32 Boston Logan (BOS) B
AA 4645 Non-stop Embraer EMB 175 (E75) 1:17 Effective 2025-05-10 through 2025-05-31
Sun 07:20 Boston Logan (BOS) B 08:57 New York LaGuardia (LGA) B
AA 4645 Non-stop Embraer EMB 175 (E75) 1:37 Valid until 2025-05-04
Mon-Fri 08:00 Boston Logan (BOS) B 09:27 New York LaGuardia (LGA) B
AA 4645 Non-stop Embraer EMB 175 (E75) 1:27 Effective 2025-05-05 through 2025-06-04
Mon-Fri 08:05 Boston Logan (BOS) B 09:30 New York LaGuardia (LGA) B
AA 4645 Non-stop Embraer EMB 175 (E75) 1:25 Valid until 2025-05-02
Sun 09:00 Boston Logan (BOS) B 10:20 New York LaGuardia (LGA) B
AA 4645 Non-stop Embraer EMB 175 (E75) 1:20 Effective 2025-05-11 through 2025-06-01
Daily 12:54 New York LaGuardia (LGA) B 14:20 Bangor (BGR)
AA 4645 Non-stop Embraer EMB 175 (E75) 1:26 Effective 2025-10-26 through 2025-11-01
Thu,Fri,Sun 13:31 Chicago O'Hare (ORD) 3 17:09 Bangor (BGR)
AA 4645 Non-stop Embraer EMB 175 (E75) 2:38 Effective 2025-06-05 through 2025-06-22
Mon 13:31 Chicago O'Hare (ORD) 3 15:25 Tulsa (TUL)
AA 4645 Non-stop Embraer EMB 175 (E75) 1:54 Effective 2025-06-09 through 2025-06-16
Mon,Thu,Fri,Sun 13:31 Chicago O'Hare (ORD) 3 17:09 Bangor (BGR)
AA 4645 Non-stop Embraer EMB 175 (E75) 2:38 Effective 2025-06-23 through 2025-06-30
Tue,Thu 13:31 Chicago O'Hare (ORD) 3 17:09 Bangor (BGR)
AA 4645 Non-stop Embraer EMB 175 (E75) 2:38 Effective 2025-07-01 through 2025-07-03
Daily 13:33 Chicago O'Hare (ORD) 3 17:10 Bangor (BGR)
AA 4645 Non-stop Embraer EMB 175 (E75) 2:37 Effective 2025-07-05 through 2025-08-05
Daily 13:33 Chicago O'Hare (ORD) 3 17:10 Bangor (BGR)
AA 4645 Non-stop Embraer EMB 175 (E75) 2:37 Effective 2025-09-03 through 2025-10-05
Mon 17:04 Tulsa (TUL) 19:24 Chicago O'Hare (ORD) 3
AA 4645 Non-stop Embraer EMB 175 (E75) 2:20 Effective 2025-06-09 through 2025-06-16
Thu,Fri,Sun 17:43 Bangor (BGR) 19:48 Chicago O'Hare (ORD) 3
AA 4645 Non-stop Embraer EMB 175 (E75) 3:05 Effective 2025-06-05 through 2025-06-22
Mon,Thu,Fri,Sun 17:43 Bangor (BGR) 19:48 Chicago O'Hare (ORD) 3
AA 4645 Non-stop Embraer EMB 175 (E75) 3:05 Effective 2025-06-23 through 2025-06-30
Tue,Thu 17:43 Bangor (BGR) 19:48 Chicago O'Hare (ORD) 3
AA 4645 Non-stop Embraer EMB 175 (E75) 3:05 Effective 2025-07-01 through 2025-07-03
Daily 17:45 Bangor (BGR) 19:50 Chicago O'Hare (ORD) 3
AA 4645 Non-stop Embraer EMB 175 (E75) 3:05 Effective 2025-07-05 through 2025-08-05
Daily 17:45 Bangor (BGR) 19:50 Chicago O'Hare (ORD) 3
AA 4645 Non-stop Embraer EMB 175 (E75) 3:05 Effective 2025-09-03 through 2025-10-05
Daily 18:59 Ronald Reagan Washington (DCA) 2 20:36 Boston Logan (BOS) B
AA 4645 Non-stop Embraer EMB 175 (E75) 1:37 Effective 2025-12-03 through 2025-12-17
Daily 19:45 Ronald Reagan Washington (DCA) 2 21:19 Boston Logan (BOS) B
AA 4645 Non-stop Embraer EMB 175 (E75) 1:34 Effective 2025-12-18 through 2026-01-05
Daily 19:45 Ronald Reagan Washington (DCA) 2 21:20 Boston Logan (BOS) B
AA 4645 Non-stop Embraer EMB 175 (E75) 1:35 Effective 2026-01-06 through 2026-02-11
Daily 19:45 Ronald Reagan Washington (DCA) 2 21:17 Boston Logan (BOS) B
AA 4645 Non-stop Embraer EMB 175 (E75) 1:32 Effective from 2026-02-12
Daily 22:07 Ronald Reagan Washington (DCA) 2 23:33 John Glenn Columbus (CMH)
AA 4645 Non-stop Embraer EMB 175 (E75) 1:26 Effective 2025-08-06 through 2025-09-02
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This flight number is listed as serving the following routes:


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American Airlines flight AA 4645: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA4645
06:00
New York LaGuardia (LGA) B

07:23
Boston Logan (BOS) B
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:23, non-stop
Embraer EMB 175 (E75)
American Airlines AA4645
06:05
New York LaGuardia (LGA) B

07:31
Boston Logan (BOS) B
Valid until 2025-05-02
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:26, non-stop
Embraer EMB 175 (E75)
American Airlines AA4645
07:15
New York LaGuardia (LGA) B

08:32
Boston Logan (BOS) B
Effective 2025-05-10 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:17, non-stop
Embraer EMB 175 (E75)
American Airlines AA4645
07:20
Boston Logan (BOS) B

08:57
New York LaGuardia (LGA) B
Valid until 2025-05-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:37, non-stop
Embraer EMB 175 (E75)
American Airlines AA4645
08:00
Boston Logan (BOS) B

09:27
New York LaGuardia (LGA) B
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:27, non-stop
Embraer EMB 175 (E75)
American Airlines AA4645
08:05
Boston Logan (BOS) B

09:30
New York LaGuardia (LGA) B
Valid until 2025-05-02
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Embraer EMB 175 (E75)
American Airlines AA4645
09:00
Boston Logan (BOS) B

10:20
New York LaGuardia (LGA) B
Effective 2025-05-11 through 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:20, non-stop
Embraer EMB 175 (E75)
American Airlines AA4645
12:54
New York LaGuardia (LGA) B

14:20
Bangor (BGR)
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:26, non-stop
Embraer EMB 175 (E75)
American Airlines AA4645
13:31
Chicago O'Hare (ORD) 3

17:09
Bangor (BGR)
Effective 2025-06-05 through 2025-06-22
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:38, non-stop
Embraer EMB 175 (E75)
American Airlines AA4645
13:31
Chicago O'Hare (ORD) 3

15:25
Tulsa (TUL)
Effective 2025-06-09 through 2025-06-16
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:54, non-stop
Embraer EMB 175 (E75)
American Airlines AA4645
13:31
Chicago O'Hare (ORD) 3

17:09
Bangor (BGR)
Effective 2025-06-23 through 2025-06-30
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:38, non-stop
Embraer EMB 175 (E75)
American Airlines AA4645
13:31
Chicago O'Hare (ORD) 3

17:09
Bangor (BGR)
Effective 2025-07-01 through 2025-07-03
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:38, non-stop
Embraer EMB 175 (E75)
American Airlines AA4645
13:33
Chicago O'Hare (ORD) 3

17:10
Bangor (BGR)
Effective 2025-07-05 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:37, non-stop
Embraer EMB 175 (E75)
American Airlines AA4645
13:33
Chicago O'Hare (ORD) 3

17:10
Bangor (BGR)
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:37, non-stop
Embraer EMB 175 (E75)
American Airlines AA4645
17:04
Tulsa (TUL)

19:24
Chicago O'Hare (ORD) 3
Effective 2025-06-09 through 2025-06-16
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Embraer EMB 175 (E75)
American Airlines AA4645
17:43
Bangor (BGR)

19:48
Chicago O'Hare (ORD) 3
Effective 2025-06-05 through 2025-06-22
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:05, non-stop
Embraer EMB 175 (E75)
American Airlines AA4645
17:43
Bangor (BGR)

19:48
Chicago O'Hare (ORD) 3
Effective 2025-06-23 through 2025-06-30
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:05, non-stop
Embraer EMB 175 (E75)
American Airlines AA4645
17:43
Bangor (BGR)

19:48
Chicago O'Hare (ORD) 3
Effective 2025-07-01 through 2025-07-03
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:05, non-stop
Embraer EMB 175 (E75)
American Airlines AA4645
17:45
Bangor (BGR)

19:50
Chicago O'Hare (ORD) 3
Effective 2025-07-05 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:05, non-stop
Embraer EMB 175 (E75)
American Airlines AA4645
17:45
Bangor (BGR)

19:50
Chicago O'Hare (ORD) 3
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:05, non-stop
Embraer EMB 175 (E75)
American Airlines AA4645
18:59
Ronald Reagan Washington (DCA) 2

20:36
Boston Logan (BOS) B
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:37, non-stop
Embraer EMB 175 (E75)
American Airlines AA4645
19:45
Ronald Reagan Washington (DCA) 2

21:19
Boston Logan (BOS) B
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:34, non-stop
Embraer EMB 175 (E75)
American Airlines AA4645
19:45
Ronald Reagan Washington (DCA) 2

21:20
Boston Logan (BOS) B
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:35, non-stop
Embraer EMB 175 (E75)
American Airlines AA4645
19:45
Ronald Reagan Washington (DCA) 2

21:17
Boston Logan (BOS) B
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:32, non-stop
Embraer EMB 175 (E75)
American Airlines AA4645
22:07
Ronald Reagan Washington (DCA) 2

23:33
John Glenn Columbus (CMH)
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:26, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Bangor (BGR) - Chicago O'Hare (ORD)
  • Boston Logan (BOS) - New York LaGuardia (LGA)
  • Chicago O'Hare (ORD) - Tulsa (TUL)
  • New York LaGuardia (LGA) - Bangor (BGR)
  • Ronald Reagan Washington (DCA) - Boston Logan (BOS)
  • Ronald Reagan Washington (DCA) - John Glenn Columbus (CMH)
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