WN 562 then DL 751 at Denver
New York LaGuardia → Denver → New York LaGuardia
Timetable, Denver time
18:35WN 562 from New York LaGuardia at the gate
13:00DL 751 to New York LaGuardia leaves the gate
18 h 25 apart on the timetable, overnight
DL 751 leaves 18 h 25 after WN 562 arrives on the timetable: more than half a day, so not a connection we count.