AC 7885 then PD 767 at Toronto Pearson
Montréal → Toronto → Cancún
Timetable, Toronto time
15:46AC 7885 from Montréal at the gate
13:50PD 767 to Cancún leaves the gate
22 h 04 apart on the timetable, overnight
PD 767 leaves 22 h 04 after AC 7885 arrives on the timetable: more than half a day, so not a connection we count.