WN 818 then DL 716 at Denver
Buffalo → Denver → New York LaGuardia
Timetable, Denver time
18:35WN 818 from Buffalo at the gate
17:30DL 716 to New York LaGuardia leaves the gate
22 h 55 apart on the timetable, overnight
DL 716 leaves 22 h 55 after WN 818 arrives on the timetable: more than half a day, so not a connection we count.