AC 1885 then AC 7885 at Montréal
Cancún → Montréal → Toronto Pearson
Timetable, Montréal time
23:10AC 1885 from Cancún at the gate
14:10AC 7885 to Toronto Pearson leaves the gate
15 h apart on the timetable, overnight
AC 7885 leaves 15 h after AC 1885 arrives on the timetable: more than half a day, so not a connection we count.