American Airlines flight AA 21: London Heathrow - Dallas Fort Worth

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 10:05 London Heathrow (LHR) 3 14:35 Dallas Fort Worth (DFW) D
AA 21 Non-stop Boeing 787-9 (789) 10:30 Valid until 2026-01-05
Daily 10:05 London Heathrow (LHR) 3 14:35 Dallas Fort Worth (DFW) D
AA 21 Non-stop Boeing 777-300ER (77W) 10:30 Effective 2026-01-06 through 2026-01-26
Daily 10:05 London Heathrow (LHR) 3 14:35 Dallas Fort Worth (DFW) D
AA 21 Non-stop Boeing 777-300ER (77W) 10:30 Effective 2026-03-01 through 2026-03-07
Daily 10:05 London Heathrow (LHR) 3 14:10 Dallas Fort Worth (DFW) D
AA 21 Non-stop Boeing 787-9 (789) 10:05 Effective 2026-03-29 through 2026-06-03
Daily 10:15 London Heathrow (LHR) 3 15:40 Dallas Fort Worth (DFW) D
AA 21 Non-stop Boeing 777-300ER (77W) 10:25 Effective 2026-03-08 through 2026-03-28
Daily 10:15 London Heathrow (LHR) 3 15:55 Dallas Fort Worth (DFW) D
AA 21 Non-stop Boeing 777-200 (772) 10:40 Effective from 2026-10-25
Daily 10:30 London Heathrow (LHR) 3 14:35 Dallas Fort Worth (DFW) D
AA 21 Non-stop Boeing 777-300ER (77W) 10:05 Effective 2026-06-04 through 2026-10-24
Mon,Thu-Sun 10:35 London Heathrow (LHR) 3 15:00 Dallas Fort Worth (DFW) D
AA 21 Non-stop Boeing 787-9 (789) 10:25 Effective 2026-02-12 through 2026-02-23
Tue-Sat 10:35 London Heathrow (LHR) 3 15:00 Dallas Fort Worth (DFW) D
AA 21 Non-stop Boeing 787-9 (789) 10:25 Effective 2026-02-24 through 2026-02-28
Fri-Sun 12:10 London Heathrow (LHR) 3 16:40 Dallas Fort Worth (DFW) D
AA 21 Non-stop Boeing 777-200 (772) 10:30 Effective 2026-02-06 through 2026-02-08


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American Airlines flight AA 21:
London Heathrow - Dallas Fort Worth
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA21
10:05
London Heathrow (LHR) 3

14:35
Dallas Fort Worth (DFW) D
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:30, non-stop
Boeing 787-9 (789)
Direct Flights:
American Airlines AA21
10:05
London Heathrow (LHR) 3

14:35
Dallas Fort Worth (DFW) D
Effective 2026-01-06 through 2026-01-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:30, non-stop
Boeing 777-300ER (77W)
Direct Flights:
American Airlines AA21
10:05
London Heathrow (LHR) 3

14:35
Dallas Fort Worth (DFW) D
Effective 2026-03-01 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:30, non-stop
Boeing 777-300ER (77W)
Direct Flights:
American Airlines AA21
10:05
London Heathrow (LHR) 3

14:10
Dallas Fort Worth (DFW) D
Effective 2026-03-29 through 2026-06-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:05, non-stop
Boeing 787-9 (789)
Direct Flights:
American Airlines AA21
10:15
London Heathrow (LHR) 3

15:40
Dallas Fort Worth (DFW) D
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:25, non-stop
Boeing 777-300ER (77W)
Direct Flights:
American Airlines AA21
10:15
London Heathrow (LHR) 3

15:55
Dallas Fort Worth (DFW) D
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:40, non-stop
Boeing 777-200 (772)
Direct Flights:
American Airlines AA21
10:30
London Heathrow (LHR) 3

14:35
Dallas Fort Worth (DFW) D
Effective 2026-06-04 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:05, non-stop
Boeing 777-300ER (77W)
Direct Flights:
American Airlines AA21
10:35
London Heathrow (LHR) 3

15:00
Dallas Fort Worth (DFW) D
Effective 2026-02-12 through 2026-02-23
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 10:25, non-stop
Boeing 787-9 (789)
Direct Flights:
American Airlines AA21
10:35
London Heathrow (LHR) 3

15:00
Dallas Fort Worth (DFW) D
Effective 2026-02-24 through 2026-02-28
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 10:25, non-stop
Boeing 787-9 (789)
Direct Flights:
American Airlines AA21
12:10
London Heathrow (LHR) 3

16:40
Dallas Fort Worth (DFW) D
Effective 2026-02-06 through 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 10:30, non-stop
Boeing 777-200 (772)
  • AA 21 is an international flight departing from London Heathrow airport, United Kingdom (LHR) and arriving at Dallas Fort Worth airport, United States (DFW).
  • The flight distance is 4736 miles, or 7623 km.
  • The timezone of the departure airport is UTC+0 , and the timezone of the arrival airport is UTC-6 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 10:05 and 10:40.
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