AC 813 then DL 4719 at Montréal
Lisbon → Montréal → New York LaGuardia
Timetable, Montréal time
15:55AC 813 from Lisbon at the gate
14:30DL 4719 to New York LaGuardia leaves the gate
22 h 35 apart on the timetable, overnight
DL 4719 leaves 22 h 35 after AC 813 arrives on the timetable: more than half a day, so not a connection we count.