AC 1700 then BR 659 at Toronto Pearson
Las Vegas → Toronto → Taipei
Timetable, Toronto time
19:40AC 1700 from Las Vegas at the gate
15:31BR 659 to Taipei leaves the gate
19 h 51 apart on the timetable, overnight
BR 659 leaves 19 h 51 after AC 1700 arrives on the timetable: more than half a day, so not a connection we count.