AC 7885 then AC 141 at Toronto Pearson
Montréal → Toronto → Calgary
Timetable, Toronto time
15:46AC 7885 from Montréal at the gate
12:10AC 141 to Calgary leaves the gate
20 h 24 apart on the timetable, overnight
AC 141 leaves 20 h 24 after AC 7885 arrives on the timetable: more than half a day, so not a connection we count.