AC 423 then BR 659 at Toronto Pearson
Montréal → Toronto → Taipei
Timetable, Toronto time
19:50AC 423 from Montréal at the gate
15:31BR 659 to Taipei leaves the gate
19 h 41 apart on the timetable, overnight
BR 659 leaves 19 h 41 after AC 423 arrives on the timetable: more than half a day, so not a connection we count.