AC 7059 then AC 8784 at Toronto Pearson
Montréal → Toronto → Washington National
Timetable, Toronto time
17:45AC 7059 from Montréal at the gate
16:40AC 8784 to Washington National leaves the gate
22 h 55 apart on the timetable, overnight
AC 8784 leaves 22 h 55 after AC 7059 arrives on the timetable: more than half a day, so not a connection we count.