American Airlines flight AA 4357: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 06:33 Boston Logan (BOS) B 07:59 New York John F. Kennedy (JFK) 8
AA 4357 Non-stop Embraer EMB 175 (E75) 1:26 Effective 2026-08-05 through 2026-09-08
Daily 08:13 Chicago O'Hare (ORD) 3 10:11 Sioux Falls (FSD)
AA 4357 Non-stop Embraer EMB 175 (E75) 1:58 Valid until 2026-01-05
Daily 09:15 Indianapolis (IND) 11:19 New York LaGuardia (LGA) B
AA 4357 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:04 Effective 2026-07-02 through 2026-08-04
Daily 09:22 Indianapolis (IND) 11:25 New York LaGuardia (LGA) B
AA 4357 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:03 Effective 2026-05-21 through 2026-06-17
Daily 09:26 Indianapolis (IND) 11:29 New York LaGuardia (LGA) B
AA 4357 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:03 Effective 2026-06-18 through 2026-07-01
Daily 10:41 Sioux Falls (FSD) 12:35 Chicago O'Hare (ORD) 3
AA 4357 Non-stop Embraer EMB 175 (E75) 1:54 Valid until 2026-01-05
Daily 14:50 Chicago O'Hare (ORD) 3 18:06 Hartford (BDL)
AA 4357 Non-stop Embraer EMB 175 (E75) 2:16 Effective 2026-04-07 through 2026-05-20
Daily 15:25 Indianapolis (IND) 17:29 New York LaGuardia (LGA) B
AA 4357 Non-stop Embraer EMB 175 (E75) 2:04 Effective from 2026-10-05
Mon-Fri,Sun 16:54 Ronald Reagan Washington (DCA) 2 18:52 Detroit (DTW) E
AA 4357 Non-stop Embraer EMB 175 (E75) 1:58 Effective 2026-02-12 through 2026-03-06
Mon-Fri 16:54 Ronald Reagan Washington (DCA) 2 18:48 Detroit (DTW) E
AA 4357 Non-stop Embraer EMB 175 (E75) 1:54 Effective 2026-03-09 through 2026-04-06
Sun 17:00 Ronald Reagan Washington (DCA) 2 18:54 Detroit (DTW) E
AA 4357 Non-stop Embraer EMB 175 (E75) 1:54 Effective 2026-03-08 through 2026-04-05
Fri 18:53 Philadelphia (PHL) 21:08 Detroit (DTW) E
AA 4357 Non-stop Embraer EMB 175 (E75) 2:15 Effective 2026-01-09 through 2026-02-06
Mon-Fri,Sun 19:26 Detroit (DTW) E 21:14 Ronald Reagan Washington (DCA) 2
AA 4357 Non-stop Embraer EMB 175 (E75) 1:48 Effective 2026-02-12 through 2026-03-06
Mon-Fri,Sun 19:33 Detroit (DTW) E 21:14 Ronald Reagan Washington (DCA) 2
AA 4357 Non-stop Embraer EMB 175 (E75) 1:41 Effective 2026-03-08 through 2026-04-06
Daily 19:42 Hartford (BDL) 21:30 Chicago O'Hare (ORD) 3
AA 4357 Non-stop Embraer EMB 175 (E75) 2:48 Effective 2026-04-07 through 2026-05-20
Sat 20:49 Philadelphia (PHL) 23:00 Detroit (DTW) E
AA 4357 Non-stop Embraer EMB 175 (E75) 2:11 Effective 2026-01-10 through 2026-02-07
Daily 22:00 Ronald Reagan Washington (DCA) 2 23:20 Hartford (BDL)
AA 4357 Non-stop Embraer EMB 175 (E75) 1:20 Effective 2026-09-09 through 2026-10-04
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This flight number is listed as serving the following routes:


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American Airlines flight AA 4357: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA4357
06:33
Boston Logan (BOS) B

07:59
New York John F. Kennedy (JFK) 8
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:26, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4357
08:13
Chicago O'Hare (ORD) 3

10:11
Sioux Falls (FSD)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:58, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4357
09:15
Indianapolis (IND)

11:19
New York LaGuardia (LGA) B
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:04, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4357
09:22
Indianapolis (IND)

11:25
New York LaGuardia (LGA) B
Effective 2026-05-21 through 2026-06-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:03, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4357
09:26
Indianapolis (IND)

11:29
New York LaGuardia (LGA) B
Effective 2026-06-18 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:03, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4357
10:41
Sioux Falls (FSD)

12:35
Chicago O'Hare (ORD) 3
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:54, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4357
14:50
Chicago O'Hare (ORD) 3

18:06
Hartford (BDL)
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:16, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4357
15:25
Indianapolis (IND)

17:29
New York LaGuardia (LGA) B
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:04, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4357
16:54
Ronald Reagan Washington (DCA) 2

18:52
Detroit (DTW) E
Effective 2026-02-12 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:58, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4357
16:54
Ronald Reagan Washington (DCA) 2

18:48
Detroit (DTW) E
Effective 2026-03-09 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:54, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4357
17:00
Ronald Reagan Washington (DCA) 2

18:54
Detroit (DTW) E
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:54, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4357
18:53
Philadelphia (PHL)

21:08
Detroit (DTW) E
Effective 2026-01-09 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:15, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4357
19:26
Detroit (DTW) E

21:14
Ronald Reagan Washington (DCA) 2
Effective 2026-02-12 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:48, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4357
19:33
Detroit (DTW) E

21:14
Ronald Reagan Washington (DCA) 2
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:41, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4357
19:42
Hartford (BDL)

21:30
Chicago O'Hare (ORD) 3
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:48, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4357
20:49
Philadelphia (PHL)

23:00
Detroit (DTW) E
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:11, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4357
22:00
Ronald Reagan Washington (DCA) 2

23:20
Hartford (BDL)
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:20, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Boston Logan (BOS) - New York John F. Kennedy (JFK)
  • Chicago O'Hare (ORD) - Sioux Falls (FSD)
  • Hartford (BDL) - Chicago O'Hare (ORD)
  • Indianapolis (IND) - New York LaGuardia (LGA)
  • Philadelphia (PHL) - Detroit (DTW)
  • Ronald Reagan Washington (DCA) - Detroit (DTW)
  • Ronald Reagan Washington (DCA) - Hartford (BDL)
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