American Airlines flight AA 3657: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Tue 08:04 Chicago O'Hare (ORD) 3 12:35 Key West (EYW)
AA 3657 Non-stop Embraer EMB 170 / EMB 175 (E70) 3:31 Effective 2026-01-06 through 2026-02-10
Daily 08:10 Chicago O'Hare (ORD) 3 12:45 Key West (EYW)
AA 3657 Non-stop Embraer EMB 170 / EMB 175 (E70) 3:35 Valid until 2026-01-05
Mon,Wed-Sun 08:14 Chicago O'Hare (ORD) 3 12:45 Key West (EYW)
AA 3657 Non-stop Embraer EMB 170 / EMB 175 (E70) 3:31 Effective 2026-01-07 through 2026-01-17
Mon,Wed-Sun 08:14 Chicago O'Hare (ORD) 3 12:45 Key West (EYW)
AA 3657 Non-stop Embraer EMB 170 / EMB 175 (E70) 3:31 Effective 2026-01-19 through 2026-02-11
Mon-Fri,Sun 08:19 Chicago O'Hare (ORD) 3 12:46 Key West (EYW)
AA 3657 Non-stop Embraer EMB 170 / EMB 175 (E70) 3:27 Effective 2026-02-12 through 2026-02-20
Daily 08:19 Chicago O'Hare (ORD) 3 12:46 Key West (EYW)
AA 3657 Non-stop Embraer EMB 170 / EMB 175 (E70) 3:27 Effective 2026-02-21 through 2026-03-07
Sat 08:24 Chicago O'Hare (ORD) 3 12:51 Key West (EYW)
AA 3657 Non-stop Embraer EMB 170 / EMB 175 (E70) 3:27 Operates only on 2026-02-14
Daily 08:40 Phoenix Sky Harbor (PHX) 4 13:29 Fayetteville/Springdale (XNA)
AA 3657 Non-stop Embraer EMB 175 (E75) 2:49 Effective 2026-08-05 through 2026-09-08
Mon,Thu-Sun 09:40 Chicago O'Hare (ORD) 3 11:53 Hayden (HDN)
AA 3657 Non-stop Embraer EMB 175 (E75) 3:13 Effective 2026-03-08 through 2026-04-06
Daily 12:19 Dallas Fort Worth (DFW) 13:42 Midland (MAF)
AA 3657 Non-stop Embraer EMB 175 (E75) 1:23 Effective 2026-07-02 through 2026-08-04
Mon,Thu-Sun 12:23 Hayden (HDN) 16:15 Chicago O'Hare (ORD) 3
AA 3657 Non-stop Embraer EMB 175 (E75) 2:52 Effective 2026-03-08 through 2026-04-06
Tue 13:06 Key West (EYW) 15:46 Chicago O'Hare (ORD) 3
AA 3657 Non-stop Embraer EMB 170 / EMB 175 (E70) 3:40 Effective 2026-01-06 through 2026-02-10
Daily 13:15 Key West (EYW) 15:50 Chicago O'Hare (ORD) 3
AA 3657 Non-stop Embraer EMB 170 / EMB 175 (E70) 3:35 Valid until 2026-01-05
Mon,Wed-Sun 13:16 Key West (EYW) 15:56 Chicago O'Hare (ORD) 3
AA 3657 Non-stop Embraer EMB 170 / EMB 175 (E70) 3:40 Effective 2026-01-07 through 2026-01-17
Mon,Wed-Sun 13:16 Key West (EYW) 15:56 Chicago O'Hare (ORD) 3
AA 3657 Non-stop Embraer EMB 170 / EMB 175 (E70) 3:40 Effective 2026-01-19 through 2026-02-11
Mon-Fri,Sun 13:19 Key West (EYW) 15:58 Chicago O'Hare (ORD) 3
AA 3657 Non-stop Embraer EMB 170 / EMB 175 (E70) 3:39 Effective 2026-02-12 through 2026-02-20
Daily 13:19 Key West (EYW) 15:58 Chicago O'Hare (ORD) 3
AA 3657 Non-stop Embraer EMB 170 / EMB 175 (E70) 3:39 Effective 2026-02-21 through 2026-03-07
Sat 13:21 Key West (EYW) 16:00 Chicago O'Hare (ORD) 3
AA 3657 Non-stop Embraer EMB 170 / EMB 175 (E70) 3:39 Operates only on 2026-02-14
Daily 14:25 Dallas Fort Worth (DFW) 16:10 Huntsville (HSV)
AA 3657 Non-stop Embraer EMB 175 (E75) 1:45 Effective 2026-04-07 through 2026-05-20
Daily 14:34 Midland (MAF) 15:55 Dallas Fort Worth (DFW)
AA 3657 Non-stop Embraer EMB 175 (E75) 1:21 Effective 2026-07-02 through 2026-08-04
Daily 14:45 Fayetteville/Springdale (XNA) 15:37 Phoenix Sky Harbor (PHX) 4
AA 3657 Non-stop Embraer EMB 175 (E75) 2:52 Effective 2026-08-05 through 2026-09-08
Daily 17:45 Huntsville (HSV) 20:00 Dallas Fort Worth (DFW)
AA 3657 Non-stop Embraer EMB 175 (E75) 2:15 Effective 2026-04-07 through 2026-05-20
Daily 18:30 Chicago O'Hare (ORD) 3 21:50 Burlington (BTV)
AA 3657 Non-stop Embraer EMB 175 (E75) 2:20 Effective 2026-09-09 through 2026-10-04
Daily 18:50 Dallas Fort Worth (DFW) 20:01 Midland (MAF)
AA 3657 Non-stop Embraer EMB 175 (E75) 1:11 Effective 2026-05-21 through 2026-07-01
Daily 20:28 Midland (MAF) 21:50 Dallas Fort Worth (DFW)
AA 3657 Non-stop Embraer EMB 175 (E75) 1:22 Effective 2026-05-21 through 2026-07-01
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This flight number is listed as serving the following routes:
American Airlines flight AA 3657: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

American Airlines AA3657
Effective 2026-01-06 through 2026-02-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:31, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3657
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:35, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3657
Effective 2026-01-07 through 2026-01-17
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 3:31, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3657
Effective 2026-01-19 through 2026-02-11
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 3:31, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3657
Effective 2026-02-12 through 2026-02-20
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:27, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3657
Effective 2026-02-21 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:27, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3657
Operates only on 2026-02-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:27, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3657
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:49, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3657
Effective 2026-03-08 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 3:13, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3657
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:23, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3657
Effective 2026-03-08 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:52, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3657
Effective 2026-01-06 through 2026-02-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:40, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3657
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:35, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3657
Effective 2026-01-07 through 2026-01-17
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 3:40, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3657
Effective 2026-01-19 through 2026-02-11
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 3:40, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3657
Effective 2026-02-12 through 2026-02-20
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:39, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3657
Effective 2026-02-21 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:39, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3657
Operates only on 2026-02-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:39, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3657
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3657
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:21, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3657
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:52, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3657
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:15, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3657
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:20, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3657
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:11, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3657
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:22, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Burlington (BTV)
  • Chicago O'Hare (ORD) - Hayden (HDN)
  • Fayetteville/Springdale (XNA) - Phoenix Sky Harbor (PHX)
  • Huntsville (HSV) - Dallas Fort Worth (DFW)
  • Key West (EYW) - Chicago O'Hare (ORD)
  • Midland (MAF) - Dallas Fort Worth (DFW)