WS 2577 then TS 71 at Toronto Pearson
Cancún → Toronto → Montréal
Timetable, Toronto time
01:40WS 2577 from Cancún at the gate
08:30TS 71 to Montréal leaves the gate
6 h 50 apart on the timetable
The last days
WS 2577 and TS 71 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.