British Airways flight BA 5421: New York LaGuardia - Miami

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 11:00 New York LaGuardia (LGA) B 14:14 Miami (MIA)
BA 5421 Non-stop Boeing 737-800 (738) 3:14 Effective 2025-08-06 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 1376)
Daily 11:00 New York LaGuardia (LGA) B 14:15 Miami (MIA)
BA 5421 Non-stop Boeing 737-800 (738) 3:15 Effective 2025-09-03 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 1376)
Daily 11:01 New York LaGuardia (LGA) B 14:19 Miami (MIA)
BA 5421 Non-stop Boeing 737-800 (738) 3:18 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 980)
Daily 11:30 New York LaGuardia (LGA) B 14:46 Miami (MIA)
BA 5421 Non-stop Boeing 737-800 (738) 3:16 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 2025)
Daily 11:30 New York LaGuardia (LGA) B 14:50 Miami (MIA)
BA 5421 Non-stop Boeing 737-800 (738) 3:20 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 2025)
Sun 16:29 New York LaGuardia (LGA) B 19:36 Miami (MIA)
BA 5421 Non-stop Boeing 737 MAX 8 (7M8) 3:07 Effective 2025-06-08 through 2025-06-29
Codeshare flight, operated by American Airlines.(AA 1751)
Mon-Fri,Sun 16:51 New York LaGuardia (LGA) B 20:00 Miami (MIA)
BA 5421 Non-stop Boeing 737-800 (738) 3:09 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 352)
Daily 17:34 New York LaGuardia (LGA) B 20:45 Miami (MIA)
BA 5421 Non-stop Boeing 737 MAX 8 (7M8) 3:11 Effective 2025-10-26 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 3135)
Daily 17:55 New York LaGuardia (LGA) B 21:07 Miami (MIA)
BA 5421 Non-stop Boeing 737-800 (738) 3:12 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 3135)
Daily 17:59 New York LaGuardia (LGA) B 21:24 Miami (MIA)
BA 5421 Non-stop Boeing 737-800 (738) 3:25 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 2779)
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British Airways flight BA 5421:
New York LaGuardia - Miami
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
British Airways BA5421
11:00
New York LaGuardia (LGA) B

14:14
Miami (MIA)
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1376)
Duration: 3:14, non-stop
Boeing 737-800 (738)
British Airways BA5421
11:00
New York LaGuardia (LGA) B

14:15
Miami (MIA)
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1376)
Duration: 3:15, non-stop
Boeing 737-800 (738)
British Airways BA5421
11:01
New York LaGuardia (LGA) B

14:19
Miami (MIA)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 980)
Duration: 3:18, non-stop
Boeing 737-800 (738)
British Airways BA5421
11:30
New York LaGuardia (LGA) B

14:46
Miami (MIA)
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2025)
Duration: 3:16, non-stop
Boeing 737-800 (738)
British Airways BA5421
11:30
New York LaGuardia (LGA) B

14:50
Miami (MIA)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2025)
Duration: 3:20, non-stop
Boeing 737-800 (738)
British Airways BA5421
16:29
New York LaGuardia (LGA) B

19:36
Miami (MIA)
Effective 2025-06-08 through 2025-06-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1751)
Duration: 3:07, non-stop
Boeing 737 MAX 8 (7M8)
British Airways BA5421
16:51
New York LaGuardia (LGA) B

20:00
Miami (MIA)
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 352)
Duration: 3:09, non-stop
Boeing 737-800 (738)
British Airways BA5421
17:34
New York LaGuardia (LGA) B

20:45
Miami (MIA)
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3135)
Duration: 3:11, non-stop
Boeing 737 MAX 8 (7M8)
British Airways BA5421
17:55
New York LaGuardia (LGA) B

21:07
Miami (MIA)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3135)
Duration: 3:12, non-stop
Boeing 737-800 (738)
British Airways BA5421
17:59
New York LaGuardia (LGA) B

21:24
Miami (MIA)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2779)
Duration: 3:25, non-stop
Boeing 737-800 (738)
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  • BA 5421 is a domestic flight departing from the New York LaGuardia airport (LGA) and arriving at Miami airport (MIA).
  • The flight distance is 1098 miles, or 1767 km.
  • The timezone of both the departure and the arrival airports is UTC-5 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 3:07 and 3:25.
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