American Airlines flight AA 3631: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 08:08 Chicago O'Hare (ORD) 3 09:50 Springfield (SGF)
AA 3631 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:42 Effective 2025-08-06 through 2025-10-05
Daily 09:40 Chicago O'Hare (ORD) 3 11:25 Springfield (SGF)
AA 3631 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:45 Effective 2025-10-06 through 2025-11-01
Daily 09:40 Chicago O'Hare (ORD) 3 10:47 Green Bay (GRB)
AA 3631 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:07 Effective 2025-11-02 through 2025-12-02
Daily 09:40 Chicago O'Hare (ORD) 3 11:32 Springfield (SGF)
AA 3631 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:52 Effective 2025-12-18 through 2026-01-05
Tue 09:40 Chicago O'Hare (ORD) 3 11:23 Springfield (SGF)
AA 3631 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:43 Operates only on 2026-01-06
Daily 11:28 Green Bay (GRB) 12:40 Chicago O'Hare (ORD) 3
AA 3631 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:12 Effective 2025-11-02 through 2025-12-02
Daily 12:37 Springfield (SGF) 14:20 Chicago O'Hare (ORD) 3
AA 3631 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:43 Effective 2025-10-06 through 2025-10-25
Daily 13:47 John Glenn Columbus (CMH) 14:20 Chicago O'Hare (ORD) 3
AA 3631 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:33 Effective from 2026-02-12
Mon-Fri,Sun 13:49 Phoenix Sky Harbor (PHX) 4 15:39 Monterey/Carmel (MRY)
AA 3631 Non-stop Embraer EMB 175 (E75) 1:50 Effective 2025-06-05 through 2025-07-03
Mon-Fri,Sun 13:53 Phoenix Sky Harbor (PHX) 4 15:42 Monterey/Carmel (MRY)
AA 3631 Non-stop Embraer EMB 175 (E75) 1:49 Effective 2025-07-06 through 2025-08-05
Daily 14:06 Springfield (SGF) 15:53 Chicago O'Hare (ORD) 3
AA 3631 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:47 Effective 2025-08-06 through 2025-10-05
Daily 22:30 Miami (MIA) 23:35 Birmingham (BHM)
AA 3631 Non-stop Embraer EMB 175 (E75) 2:05 Valid until 2025-05-04
Daily 22:32 Miami (MIA) 23:35 Birmingham (BHM)
AA 3631 Non-stop Embraer EMB 175 (E75) 2:03 Effective 2025-05-05 through 2025-06-04
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This flight number is listed as serving the following routes:
American Airlines flight AA 3631: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

American Airlines AA3631
Effective 2025-08-06 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:42, non-stop
Embraer EMB 170 / EMB 175 (E70)

American Airlines AA3631
Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Embraer EMB 170 / EMB 175 (E70)

American Airlines AA3631
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:07, non-stop
Embraer EMB 170 / EMB 175 (E70)

American Airlines AA3631
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:52, non-stop
Embraer EMB 170 / EMB 175 (E70)

American Airlines AA3631
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:43, non-stop
Embraer EMB 170 / EMB 175 (E70)

American Airlines AA3631
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:12, non-stop
Embraer EMB 170 / EMB 175 (E70)

American Airlines AA3631
Effective 2025-10-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Embraer EMB 170 / EMB 175 (E70)

American Airlines AA3631
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:33, non-stop
Embraer EMB 170 / EMB 175 (E70)

American Airlines AA3631
Effective 2025-06-05 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:50, non-stop
Embraer EMB 175 (E75)

American Airlines AA3631
Effective 2025-07-06 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:49, non-stop
Embraer EMB 175 (E75)

American Airlines AA3631
Effective 2025-08-06 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:47, non-stop
Embraer EMB 170 / EMB 175 (E70)

American Airlines AA3631
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:05, non-stop
Embraer EMB 175 (E75)

American Airlines AA3631
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:03, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Green Bay (GRB)
  • Chicago O'Hare (ORD) - Springfield (SGF)
  • John Glenn Columbus (CMH) - Chicago O'Hare (ORD)
  • Miami (MIA) - Birmingham (BHM)
  • Phoenix Sky Harbor (PHX) - Monterey/Carmel (MRY)