AA 5886 then AC 420 at Toronto Pearson
Philadelphia → Toronto → Montréal
Timetable, Toronto time
17:24AA 5886 from Philadelphia at the gate
18:10AC 420 to Montréal leaves the gate
46 min apart on the timetable
The last days
AA 5886 and AC 420 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.