American Airlines flight AA 3966: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 12:19 Dallas Fort Worth (DFW) 13:54 Merida (MID)
AA 3966 Non-stop Embraer EMB 175 (E75) 2:35 Effective 2026-05-21 through 2026-08-03
Daily 15:35 Merida (MID) 19:20 Dallas Fort Worth (DFW) D
AA 3966 Non-stop Embraer EMB 175 (E75) 2:45 Effective 2026-05-21 through 2026-08-03
Daily 17:30 Miami (MIA) 19:00 Tallahassee (TLH)
AA 3966 Non-stop Embraer EMB 175 (E75) 1:30 Effective from 2026-10-05
Mon,Wed,Fri-Sun 18:14 Miami (MIA) 19:54 Tallahassee (TLH)
AA 3966 Non-stop Embraer EMB 175 (E75) 1:40 Valid until 2026-01-05
Daily 18:20 Miami (MIA) 19:57 Tallahassee (TLH)
AA 3966 Non-stop Embraer EMB 175 (E75) 1:37 Effective 2026-01-06 through 2026-02-11
Daily 18:32 Miami (MIA) 20:10 Tallahassee (TLH)
AA 3966 Non-stop Embraer EMB 175 (E75) 1:38 Effective 2026-02-12 through 2026-03-07
Daily 18:35 Miami (MIA) 20:13 Tallahassee (TLH)
AA 3966 Non-stop Embraer EMB 175 (E75) 1:38 Effective 2026-03-08 through 2026-04-06
Tue,Thu 18:46 Miami (MIA) 20:28 Tallahassee (TLH)
AA 3966 Non-stop Embraer EMB 175 (E75) 1:42 Valid until 2026-01-01
Mon,Wed,Fri-Sun 20:24 Tallahassee (TLH) 21:50 Miami (MIA)
AA 3966 Non-stop Embraer EMB 175 (E75) 1:26 Valid until 2026-01-05
Daily 20:28 Tallahassee (TLH) 21:50 Miami (MIA)
AA 3966 Non-stop Embraer EMB 175 (E75) 1:22 Effective from 2026-10-05
Daily 20:40 Tallahassee (TLH) 22:05 Miami (MIA)
AA 3966 Non-stop Embraer EMB 175 (E75) 1:25 Effective 2026-01-06 through 2026-02-11
Daily 20:40 Tallahassee (TLH) 22:04 Miami (MIA)
AA 3966 Non-stop Embraer EMB 175 (E75) 1:24 Effective 2026-02-12 through 2026-03-07
Daily 20:44 Tallahassee (TLH) 22:11 Miami (MIA)
AA 3966 Non-stop Embraer EMB 175 (E75) 1:27 Effective 2026-03-08 through 2026-04-06
Tue,Thu 20:58 Tallahassee (TLH) 22:24 Miami (MIA)
AA 3966 Non-stop Embraer EMB 175 (E75) 1:26 Valid until 2026-01-01
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This flight number is listed as serving the following routes:


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American Airlines flight AA 3966: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA3966
12:19
Dallas Fort Worth (DFW)

13:54
Merida (MID)
Effective 2026-05-21 through 2026-08-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:35, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3966
15:35
Merida (MID)

19:20
Dallas Fort Worth (DFW) D
Effective 2026-05-21 through 2026-08-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:45, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3966
17:30
Miami (MIA)

19:00
Tallahassee (TLH)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:30, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3966
18:14
Miami (MIA)

19:54
Tallahassee (TLH)
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
Duration: 1:40, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3966
18:20
Miami (MIA)

19:57
Tallahassee (TLH)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:37, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3966
18:32
Miami (MIA)

20:10
Tallahassee (TLH)
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:38, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3966
18:35
Miami (MIA)

20:13
Tallahassee (TLH)
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:38, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3966
18:46
Miami (MIA)

20:28
Tallahassee (TLH)
Valid until 2026-01-01
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:42, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3966
20:24
Tallahassee (TLH)

21:50
Miami (MIA)
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
Duration: 1:26, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3966
20:28
Tallahassee (TLH)

21:50
Miami (MIA)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:22, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3966
20:40
Tallahassee (TLH)

22:05
Miami (MIA)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:25, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3966
20:40
Tallahassee (TLH)

22:04
Miami (MIA)
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:24, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3966
20:44
Tallahassee (TLH)

22:11
Miami (MIA)
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:27, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3966
20:58
Tallahassee (TLH)

22:24
Miami (MIA)
Valid until 2026-01-01
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:
  • Merida (MID) - Dallas Fort Worth (DFW)
  • Tallahassee (TLH) - Miami (MIA)
All American Airlines flights
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