PD 2618 then BR 659 at Toronto Pearson
Boston → Toronto → Taipei
Timetable, Toronto time
19:35PD 2618 from Boston at the gate
15:31BR 659 to Taipei leaves the gate
19 h 56 apart on the timetable, overnight
BR 659 leaves 19 h 56 after PD 2618 arrives on the timetable: more than half a day, so not a connection we count.