AC 2139 then AC 312 at Vancouver
Ixtapa → Vancouver → Montréal
Timetable, Vancouver time
22:50AC 2139 from Ixtapa at the gate
00:35AC 312 to Montréal leaves the gate
1 h 45 apart on the timetable, overnight
The last days
AC 2139 and AC 312 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.