American Airlines flight AA 3975: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon,Wed-Fri 07:35 Chattanooga (CHA) 08:40 Chicago O'Hare (ORD) 3
AA 3975 Non-stop Embraer EMB 175 (E75) 2:05 Valid until 2026-01-05
Sat 08:16 Chicago O'Hare (ORD) 3 10:52 Pittsburgh (PIT)
AA 3975 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:36 Effective 2026-01-10 through 2026-02-07
Mon-Fri,Sun 08:37 Chicago O'Hare (ORD) 3 11:13 Pittsburgh (PIT)
AA 3975 Non-stop Embraer EMB 175 (E75) 1:36 Effective 2026-01-06 through 2026-01-16
Mon-Fri,Sun 08:37 Chicago O'Hare (ORD) 3 11:13 Pittsburgh (PIT)
AA 3975 Non-stop Embraer EMB 175 (E75) 1:36 Effective 2026-01-19 through 2026-02-10
Wed 08:37 Chicago O'Hare (ORD) 3 11:13 Pittsburgh (PIT)
AA 3975 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:36 Operates only on 2026-02-11
Daily 11:40 Chicago O'Hare (ORD) 3 14:11 Pittsburgh (PIT)
AA 3975 Non-stop Embraer EMB 175 (E75) 1:31 Effective from 2026-10-05
Sat 12:13 Miami (MIA) 12:53 Roatan (RTB)
AA 3975 Non-stop Embraer EMB 175 (E75) 2:40 Effective 2026-03-14 through 2026-04-04
Sat 12:21 Miami (MIA) 13:58 Roatan (RTB)
AA 3975 Non-stop Embraer EMB 175 (E75) 2:37 Effective 2026-02-14 through 2026-03-07
Daily 15:24 Pittsburgh (PIT) 16:10 Chicago O'Hare (ORD) 3
AA 3975 Non-stop Embraer EMB 175 (E75) 1:46 Effective from 2026-10-05
Daily 20:20 Chicago O'Hare (ORD) 3 21:48 Rochester (RST)
AA 3975 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:28 Effective 2026-04-07 through 2026-05-20
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This flight number is listed as serving the following routes:


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American Airlines flight AA 3975: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA3975
07:35
Chattanooga (CHA)

08:40
Chicago O'Hare (ORD) 3
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:05, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3975
08:16
Chicago O'Hare (ORD) 3

10:52
Pittsburgh (PIT)
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:36, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3975
08:37
Chicago O'Hare (ORD) 3

11:13
Pittsburgh (PIT)
Effective 2026-01-06 through 2026-01-16
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:36, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3975
08:37
Chicago O'Hare (ORD) 3

11:13
Pittsburgh (PIT)
Effective 2026-01-19 through 2026-02-10
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:36, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3975
08:37
Chicago O'Hare (ORD) 3

11:13
Pittsburgh (PIT)
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:36, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3975
11:40
Chicago O'Hare (ORD) 3

14:11
Pittsburgh (PIT)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:31, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3975
12:13
Miami (MIA)

12:53
Roatan (RTB)
Effective 2026-03-14 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:40, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3975
12:21
Miami (MIA)

13:58
Roatan (RTB)
Effective 2026-02-14 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:37, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3975
15:24
Pittsburgh (PIT)

16:10
Chicago O'Hare (ORD) 3
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:46, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3975
20:20
Chicago O'Hare (ORD) 3

21:48
Rochester (RST)
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:28, non-stop
Embraer EMB 170 / EMB 175 (E70)
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This flight number is listed as serving the following routes:
  • Chattanooga (CHA) - Chicago O'Hare (ORD)
  • Chicago O'Hare (ORD) - Rochester (RST)
  • Miami (MIA) - Roatan (RTB)
  • Pittsburgh (PIT) - Chicago O'Hare (ORD)
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