AC 580 then AC 7055 at Montréal
Houston → Montréal → Toronto Pearson
Timetable, Montréal time
16:40AC 580 from Houston at the gate
16:00AC 7055 to Toronto Pearson leaves the gate
23 h 20 apart on the timetable, overnight
AC 7055 leaves 23 h 20 after AC 580 arrives on the timetable: more than half a day, so not a connection we count.