AA 5665 then PD 651 at Toronto Pearson
Washington National → Toronto → Las Vegas
Timetable, Toronto time
11:59AA 5665 from Washington National at the gate
07:00PD 651 to Las Vegas leaves the gate
19 h 01 apart on the timetable, overnight
PD 651 leaves 19 h 01 after AA 5665 arrives on the timetable: more than half a day, so not a connection we count.