AC 7041 then DL 5449 at Montréal
Washington → Montréal → New York LaGuardia
Timetable, Montréal time
00:07AC 7041 from Washington at the gate
19:48DL 5449 to New York LaGuardia leaves the gate
19 h 41 apart on the timetable
DL 5449 leaves 19 h 41 after AC 7041 arrives on the timetable: more than half a day, so not a connection we count.