AC 8725 then DL 8841 at Dulles
Montréal → Washington → Toronto Pearson
Timetable, Washington time
20:23AC 8725 from Montréal at the gate
16:00DL 8841 to Toronto Pearson leaves the gate
19 h 37 apart on the timetable, overnight
DL 8841 leaves 19 h 37 after AC 8725 arrives on the timetable: more than half a day, so not a connection we count.