AC 8781 then PD 651 at Toronto Pearson
Washington National → Toronto → Las Vegas
Timetable, Toronto time
08:32AC 8781 from Washington National at the gate
07:00PD 651 to Las Vegas leaves the gate
22 h 28 apart on the timetable, overnight
PD 651 leaves 22 h 28 after AC 8781 arrives on the timetable: more than half a day, so not a connection we count.