American Airlines flight AA 1666: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 08:55 Charlotte (CLT) 10:06 Charleston (CHS)
AA 1666 Non-stop Boeing 737-800 (738) 1:11 Effective 2026-05-21 through 2026-07-01
Daily 09:59 Dallas Fort Worth (DFW) 13:37 Cleveland (CLE)
AA 1666 Non-stop Boeing 737-800 (738) 2:38 Effective 2026-07-02 through 2026-08-04
Daily 11:14 Charleston (CHS) 12:30 Charlotte (CLT)
AA 1666 Non-stop Boeing 737-800 (738) 1:16 Effective 2026-05-21 through 2026-07-01
Daily 16:15 Cleveland (CLE) 18:10 Dallas Fort Worth (DFW)
AA 1666 Non-stop Boeing 737-800 (738) 2:55 Effective 2026-07-02 through 2026-08-04
Daily 16:35 Phoenix Sky Harbor (PHX) 4 17:48 Ontario, Los Angeles (ONT) 4
AA 1666 Non-stop Airbus A320 (320) 1:13 Effective 2026-09-09 through 2026-10-04
Daily 16:35 Phoenix Sky Harbor (PHX) 4 17:47 Ontario, Los Angeles (ONT) 4
AA 1666 Non-stop Airbus A320 (320) 1:12 Effective from 2026-10-05
Daily 17:01 Phoenix Sky Harbor (PHX) 4 18:17 Ontario, Los Angeles (ONT) 4
AA 1666 Non-stop Airbus A320 (320) 1:16 Effective 2026-08-05 through 2026-09-08
Daily 17:47 Phoenix Sky Harbor (PHX) 4 19:09 Ontario, Los Angeles (ONT) 4
AA 1666 Non-stop Boeing 737 MAX 8 (7M8) 1:22 Effective 2026-03-08 through 2026-04-06
Mon 17:50 Phoenix Sky Harbor (PHX) 4 18:07 Ontario, Los Angeles (ONT) 4
AA 1666 Non-stop Airbus A319 (319) 1:17 Operates only on 2026-01-05
Mon-Thu,Sat,Sun 18:05 Phoenix Sky Harbor (PHX) 4 18:20 Ontario, Los Angeles (ONT) 4
AA 1666 Non-stop Boeing 737-800 (738) 1:15 Effective 2026-01-06 through 2026-01-15
Fri 18:05 Phoenix Sky Harbor (PHX) 4 18:21 Ontario, Los Angeles (ONT) 4
AA 1666 Non-stop Airbus A319 (319) 1:16 Operates only on 2026-01-09
Mon-Sat 18:05 Phoenix Sky Harbor (PHX) 4 18:20 Ontario, Los Angeles (ONT) 4
AA 1666 Non-stop Boeing 737-800 (738) 1:15 Effective 2026-01-16 through 2026-01-22
Fri,Sun 18:05 Phoenix Sky Harbor (PHX) 4 18:21 Ontario, Los Angeles (ONT) 4
AA 1666 Non-stop Airbus A319 (319) 1:16 Effective 2026-01-18 through 2026-01-23
Mon-Thu,Sat,Sun 18:05 Phoenix Sky Harbor (PHX) 4 18:20 Ontario, Los Angeles (ONT) 4
AA 1666 Non-stop Boeing 737-800 (738) 1:15 Effective 2026-01-24 through 2026-02-05
Fri 18:05 Phoenix Sky Harbor (PHX) 4 18:21 Ontario, Los Angeles (ONT) 4
AA 1666 Non-stop Airbus A319 (319) 1:16 Operates only on 2026-01-30
Mon-Wed,Fri-Sun 18:05 Phoenix Sky Harbor (PHX) 4 18:20 Ontario, Los Angeles (ONT) 4
AA 1666 Non-stop Boeing 737-800 (738) 1:15 Effective 2026-02-06 through 2026-02-11
Mon-Sat 18:09 Phoenix Sky Harbor (PHX) 4 18:28 Ontario, Los Angeles (ONT) 4
AA 1666 Non-stop Boeing 737-800 (738) 1:19 Valid until 2026-01-03
Daily 18:44 Phoenix Sky Harbor (PHX) 4 19:00 Ontario, Los Angeles (ONT) 4
AA 1666 Non-stop Boeing 737-800 (738) 1:16 Effective 2026-02-12 through 2026-03-07
Sun 18:52 Phoenix Sky Harbor (PHX) 4 19:07 Ontario, Los Angeles (ONT) 4
AA 1666 Non-stop Boeing 737-800 (738) 1:15 Operates only on 2026-01-04
Daily 19:02 Ontario, Los Angeles (ONT) 4 20:19 Phoenix Sky Harbor (PHX) 4
AA 1666 Non-stop Airbus A320 (320) 1:17 Effective 2026-08-05 through 2026-09-08
Mon,Tue,Thu-Sun 19:18 Ontario, Los Angeles (ONT) 4 21:39 Phoenix Sky Harbor (PHX) 4
AA 1666 Non-stop Boeing 737-800 (738) 1:21 Valid until 2026-01-03
Mon 19:18 Ontario, Los Angeles (ONT) 4 21:37 Phoenix Sky Harbor (PHX) 4
AA 1666 Non-stop Airbus A319 (319) 1:19 Operates only on 2026-01-05
Mon,Wed-Fri,Sun 19:50 Ontario, Los Angeles (ONT) 4 22:12 Phoenix Sky Harbor (PHX) 4
AA 1666 Non-stop Boeing 737-800 (738) 1:22 Effective 2026-02-12 through 2026-03-06
Sun 19:57 Ontario, Los Angeles (ONT) 4 22:18 Phoenix Sky Harbor (PHX) 4
AA 1666 Non-stop Boeing 737-800 (738) 1:21 Operates only on 2026-01-04
Daily 19:59 Ontario, Los Angeles (ONT) 4 21:20 Phoenix Sky Harbor (PHX) 4
AA 1666 Non-stop Boeing 737 MAX 8 (7M8) 1:21 Effective 2026-03-08 through 2026-04-06
Daily 20:00 Ontario, Los Angeles (ONT) 4 21:20 Phoenix Sky Harbor (PHX) 4
AA 1666 Non-stop Airbus A320 (320) 1:20 Effective from 2026-10-05
Daily 20:02 Ontario, Los Angeles (ONT) 4 21:20 Phoenix Sky Harbor (PHX) 4
AA 1666 Non-stop Airbus A320 (320) 1:18 Effective 2026-09-09 through 2026-10-04
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This flight number is listed as serving the following routes:


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American Airlines flight AA 1666: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA1666
08:55
Charlotte (CLT)

10:06
Charleston (CHS)
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:11, non-stop
Boeing 737-800 (738)
Direct Flights:
American Airlines AA1666
09:59
Dallas Fort Worth (DFW)

13:37
Cleveland (CLE)
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:38, non-stop
Boeing 737-800 (738)
Direct Flights:
American Airlines AA1666
11:14
Charleston (CHS)

12:30
Charlotte (CLT)
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:16, non-stop
Boeing 737-800 (738)
Direct Flights:
American Airlines AA1666
16:15
Cleveland (CLE)

18:10
Dallas Fort Worth (DFW)
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:55, non-stop
Boeing 737-800 (738)
Direct Flights:
American Airlines AA1666
16:35
Phoenix Sky Harbor (PHX) 4

17:48
Ontario, Los Angeles (ONT) 4
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:13, non-stop
Airbus A320 (320)
Direct Flights:
American Airlines AA1666
16:35
Phoenix Sky Harbor (PHX) 4

17:47
Ontario, Los Angeles (ONT) 4
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:12, non-stop
Airbus A320 (320)
Direct Flights:
American Airlines AA1666
17:01
Phoenix Sky Harbor (PHX) 4

18:17
Ontario, Los Angeles (ONT) 4
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:16, non-stop
Airbus A320 (320)
Direct Flights:
American Airlines AA1666
17:47
Phoenix Sky Harbor (PHX) 4

19:09
Ontario, Los Angeles (ONT) 4
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:22, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
American Airlines AA1666
17:50
Phoenix Sky Harbor (PHX) 4

18:07
Ontario, Los Angeles (ONT) 4
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:17, non-stop
Airbus A319 (319)
Direct Flights:
American Airlines AA1666
18:05
Phoenix Sky Harbor (PHX) 4

18:20
Ontario, Los Angeles (ONT) 4
Effective 2026-01-06 through 2026-01-15
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 1:15, non-stop
Boeing 737-800 (738)
Direct Flights:
American Airlines AA1666
18:05
Phoenix Sky Harbor (PHX) 4

18:21
Ontario, Los Angeles (ONT) 4
Operates only on 2026-01-09
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:16, non-stop
Airbus A319 (319)
Direct Flights:
American Airlines AA1666
18:05
Phoenix Sky Harbor (PHX) 4

18:20
Ontario, Los Angeles (ONT) 4
Effective 2026-01-16 through 2026-01-22
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-800 (738)
Direct Flights:
American Airlines AA1666
18:05
Phoenix Sky Harbor (PHX) 4

18:21
Ontario, Los Angeles (ONT) 4
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:16, non-stop
Airbus A319 (319)
Direct Flights:
American Airlines AA1666
18:05
Phoenix Sky Harbor (PHX) 4

18:20
Ontario, Los Angeles (ONT) 4
Effective 2026-01-24 through 2026-02-05
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 1:15, non-stop
Boeing 737-800 (738)
Direct Flights:
American Airlines AA1666
18:05
Phoenix Sky Harbor (PHX) 4

18:21
Ontario, Los Angeles (ONT) 4
Operates only on 2026-01-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:16, non-stop
Airbus A319 (319)
Direct Flights:
American Airlines AA1666
18:05
Phoenix Sky Harbor (PHX) 4

18:20
Ontario, Los Angeles (ONT) 4
Effective 2026-02-06 through 2026-02-11
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 1:15, non-stop
Boeing 737-800 (738)
Direct Flights:
American Airlines AA1666
18:09
Phoenix Sky Harbor (PHX) 4

18:28
Ontario, Los Angeles (ONT) 4
Valid until 2026-01-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:19, non-stop
Boeing 737-800 (738)
Direct Flights:
American Airlines AA1666
18:44
Phoenix Sky Harbor (PHX) 4

19:00
Ontario, Los Angeles (ONT) 4
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:16, non-stop
Boeing 737-800 (738)
Direct Flights:
American Airlines AA1666
18:52
Phoenix Sky Harbor (PHX) 4

19:07
Ontario, Los Angeles (ONT) 4
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-800 (738)
Direct Flights:
American Airlines AA1666
19:02
Ontario, Los Angeles (ONT) 4

20:19
Phoenix Sky Harbor (PHX) 4
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:17, non-stop
Airbus A320 (320)
Direct Flights:
American Airlines AA1666
19:18
Ontario, Los Angeles (ONT) 4

21:39
Phoenix Sky Harbor (PHX) 4
Valid until 2026-01-03
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 1:21, non-stop
Boeing 737-800 (738)
Direct Flights:
American Airlines AA1666
19:18
Ontario, Los Angeles (ONT) 4

21:37
Phoenix Sky Harbor (PHX) 4
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:19, non-stop
Airbus A319 (319)
Direct Flights:
American Airlines AA1666
19:50
Ontario, Los Angeles (ONT) 4

22:12
Phoenix Sky Harbor (PHX) 4
Effective 2026-02-12 through 2026-03-06
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:22, non-stop
Boeing 737-800 (738)
Direct Flights:
American Airlines AA1666
19:57
Ontario, Los Angeles (ONT) 4

22:18
Phoenix Sky Harbor (PHX) 4
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:21, non-stop
Boeing 737-800 (738)
Direct Flights:
American Airlines AA1666
19:59
Ontario, Los Angeles (ONT) 4

21:20
Phoenix Sky Harbor (PHX) 4
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:21, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
American Airlines AA1666
20:00
Ontario, Los Angeles (ONT) 4

21:20
Phoenix Sky Harbor (PHX) 4
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:20, non-stop
Airbus A320 (320)
Direct Flights:
American Airlines AA1666
20:02
Ontario, Los Angeles (ONT) 4

21:20
Phoenix Sky Harbor (PHX) 4
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:18, non-stop
Airbus A320 (320)
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This flight number is listed as serving the following routes:
  • Charlotte (CLT) - Charleston (CHS)
  • Cleveland (CLE) - Dallas Fort Worth (DFW)
  • Phoenix Sky Harbor (PHX) - Ontario, Los Angeles (ONT)
All American Airlines flights
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