British Airways
flight
BA 5421:
New York LaGuardia - Montreal-Trudeau
New York LaGuardia - Montreal-Trudeau
FLIGHT SCHEDULE
Direct Codeshare Flights:
British Airways BA5421
Effective 2026-05-21 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4550)
Duration: 1:30, non-stop Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
British Airways BA5421
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4550)
Duration: 1:30, non-stop Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
British Airways BA5421
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4550)
Duration: 1:25, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
British Airways BA5421
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4550)
Duration: 1:30, non-stop Embraer EMB 170 / EMB 175 (E70)
- BA 5421 is an international flight departing from New York LaGuardia airport, United States (LGA) and arriving at Montreal-Trudeau airport, Canada (YUL).
- The flight distance is 324 miles, or 521 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 1:25 and 1:30.