AC 7068 then DL 5183 at Toronto Pearson
Cancún → Toronto → New York LaGuardia
Timetable, Toronto time
11:25AC 7068 from Cancún at the gate
06:05DL 5183 to New York LaGuardia leaves the gate
18 h 40 apart on the timetable, overnight
DL 5183 leaves 18 h 40 after AC 7068 arrives on the timetable: more than half a day, so not a connection we count.