American Airlines
flight
AA 644:
Multiple routes
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FLIGHT SCHEDULE
Direct Flights:
American Airlines AA644
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:39, non-stop
Airbus A321 (321)
Airbus A321 (321)
Direct Flights:
American Airlines AA644
Valid until 2026-01-05
Mon
Tue
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 2:59, non-stop
Airbus A320 (320)
Airbus A320 (320)
Direct Flights:
American Airlines AA644
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:12, non-stop
Airbus A321 (321)
Airbus A321 (321)
Direct Flights:
American Airlines AA644
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:16, non-stop
Airbus A321 (321)
Airbus A321 (321)
Direct Flights:
American Airlines AA644
Effective 2026-05-21 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:31, non-stop
Airbus A321 (321)
Airbus A321 (321)
Direct Flights:
American Airlines AA644
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:50, non-stop
Airbus A320 (320)
Airbus A320 (320)
Direct Flights:
American Airlines AA644
Valid until 2026-01-05
Mon
Tue
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 3:40, non-stop
Airbus A320 (320)
Airbus A320 (320)
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Parallax here
This flight number is listed as serving the following routes:
- Buffalo (BUF) - Dallas Fort Worth (DFW)
- Knoxville (TYS) - Dallas Fort Worth (DFW)
- Salt Lake City (SLC) - Dallas Fort Worth (DFW)