F9 2350 then DL 751 at Denver
Las Vegas → Denver → New York LaGuardia
Timetable, Denver time
14:41F9 2350 from Las Vegas at the gate
13:00DL 751 to New York LaGuardia leaves the gate
22 h 19 apart on the timetable, overnight
DL 751 leaves 22 h 19 after F9 2350 arrives on the timetable: more than half a day, so not a connection we count.