AC 8619 then BR 659 at Toronto Pearson
Washington → Toronto → Taipei
Timetable, Toronto time
17:57AC 8619 from Washington at the gate
15:31BR 659 to Taipei leaves the gate
21 h 34 apart on the timetable, overnight
BR 659 leaves 21 h 34 after AC 8619 arrives on the timetable: more than half a day, so not a connection we count.