American Airlines flight AA 3666: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 09:10 Phoenix Sky Harbor (PHX) 4 14:06 Sioux Falls (FSD)
AA 3666 Non-stop Embraer EMB 175 (E75) 2:56 Effective 2026-03-14 through 2026-04-04
Mon-Fri,Sun 09:36 Phoenix Sky Harbor (PHX) 4 14:31 Sioux Falls (FSD)
AA 3666 Non-stop Embraer EMB 175 (E75) 2:55 Effective 2026-03-08 through 2026-04-06
Sun 13:25 Phoenix Sky Harbor (PHX) 4 14:38 Albuquerque (ABQ)
AA 3666 Non-stop Embraer EMB 175 (E75) 1:13 Operates only on 2026-01-04
Mon-Sat 13:28 Phoenix Sky Harbor (PHX) 4 14:41 Albuquerque (ABQ)
AA 3666 Non-stop Embraer EMB 175 (E75) 1:13 Valid until 2026-01-05
Sat 14:41 Sioux Falls (FSD) 15:48 Phoenix Sky Harbor (PHX) 4
AA 3666 Non-stop Embraer EMB 175 (E75) 3:07 Effective 2026-03-14 through 2026-04-04
Mon-Fri,Sun 15:02 Sioux Falls (FSD) 16:09 Phoenix Sky Harbor (PHX) 4
AA 3666 Non-stop Embraer EMB 175 (E75) 3:07 Effective 2026-03-08 through 2026-04-06
Sun 15:08 Albuquerque (ABQ) 16:32 Phoenix Sky Harbor (PHX) 4
AA 3666 Non-stop Embraer EMB 175 (E75) 1:24 Operates only on 2026-01-04
Mon-Sat 15:11 Albuquerque (ABQ) 16:35 Phoenix Sky Harbor (PHX) 4
AA 3666 Non-stop Embraer EMB 175 (E75) 1:24 Valid until 2026-01-05
Daily 17:49 Tortola (EIS) 19:55 Miami (MIA)
AA 3666 Non-stop Embraer EMB 175 (E75) 3:06 Effective 2026-01-06 through 2026-02-11
Daily 17:49 Tortola (EIS) 20:03 Miami (MIA)
AA 3666 Non-stop Embraer EMB 175 (E75) 3:14 Effective 2026-02-12 through 2026-03-07
Daily 22:00 Chicago O'Hare (ORD) 3 00:05 Kalamazoo/Battle Creek (AZO)
AA 3666 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:05 Effective from 2026-10-05
The flight arrives 1 day after departure.
Daily 22:30 Dallas Fort Worth (DFW) 23:23 Longview (GGG)
AA 3666 Non-stop Embraer EMB 170 / EMB 175 (E70) 0:53 Effective 2026-05-21 through 2026-07-01
Daily 22:30 Dallas Fort Worth (DFW) 23:24 Longview (GGG)
AA 3666 Non-stop Embraer EMB 170 / EMB 175 (E70) 0:54 Effective 2026-07-02 through 2026-08-04
Daily 22:30 Dallas Fort Worth (DFW) 23:24 Longview (GGG)
AA 3666 Non-stop Embraer EMB 170 / EMB 175 (E70) 0:54 Effective 2026-09-09 through 2026-10-04
Daily 22:37 Dallas Fort Worth (DFW) 23:27 Longview (GGG)
AA 3666 Non-stop Embraer EMB 170 / EMB 175 (E70) 0:50 Effective 2026-08-05 through 2026-09-08
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This flight number is listed as serving the following routes:


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American Airlines flight AA 3666: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA3666
09:10
Phoenix Sky Harbor (PHX) 4

14:06
Sioux Falls (FSD)
Effective 2026-03-14 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:56, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3666
09:36
Phoenix Sky Harbor (PHX) 4

14:31
Sioux Falls (FSD)
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:55, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3666
13:25
Phoenix Sky Harbor (PHX) 4

14:38
Albuquerque (ABQ)
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:13, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3666
13:28
Phoenix Sky Harbor (PHX) 4

14:41
Albuquerque (ABQ)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:13, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3666
14:41
Sioux Falls (FSD)

15:48
Phoenix Sky Harbor (PHX) 4
Effective 2026-03-14 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:07, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3666
15:02
Sioux Falls (FSD)

16:09
Phoenix Sky Harbor (PHX) 4
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:07, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3666
15:08
Albuquerque (ABQ)

16:32
Phoenix Sky Harbor (PHX) 4
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:24, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3666
15:11
Albuquerque (ABQ)

16:35
Phoenix Sky Harbor (PHX) 4
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:24, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3666
17:49
Tortola (EIS)

19:55
Miami (MIA)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:06, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3666
17:49
Tortola (EIS)

20:03
Miami (MIA)
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:14, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3666
22:00
Chicago O'Hare (ORD) 3

00:05(+1)
Kalamazoo/Battle Creek (AZO)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:05, non-stop
Embraer EMB 170 / EMB 175 (E70)
The flight arrives 1 day after departure.
Direct Flights:
American Airlines AA3666
22:30
Dallas Fort Worth (DFW)

23:23
Longview (GGG)
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:53, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3666
22:30
Dallas Fort Worth (DFW)

23:24
Longview (GGG)
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:54, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3666
22:30
Dallas Fort Worth (DFW)

23:24
Longview (GGG)
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:54, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3666
22:37
Dallas Fort Worth (DFW)

23:27
Longview (GGG)
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:50, non-stop
Embraer EMB 170 / EMB 175 (E70)
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This flight number is listed as serving the following routes:
  • Albuquerque (ABQ) - Phoenix Sky Harbor (PHX)
  • Chicago O'Hare (ORD) - Kalamazoo/Battle Creek (AZO)
  • Dallas Fort Worth (DFW) - Longview (GGG)
  • Phoenix Sky Harbor (PHX) - Sioux Falls (FSD)
  • Tortola (EIS) - Miami (MIA)
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