AC 990 then BR 659 at Toronto Pearson
Mexico City → Toronto → Taipei
Timetable, Toronto time
19:20AC 990 from Mexico City at the gate
15:31BR 659 to Taipei leaves the gate
20 h 11 apart on the timetable, overnight
BR 659 leaves 20 h 11 after AC 990 arrives on the timetable: more than half a day, so not a connection we count.