DL 706 then DL 997 at Atlanta
Denver → Atlanta → New York LaGuardia
Timetable, Atlanta time
17:48DL 706 from Denver at the gate
17:00DL 997 to New York LaGuardia leaves the gate
23 h 12 apart on the timetable, overnight
DL 997 leaves 23 h 12 after DL 706 arrives on the timetable: more than half a day, so not a connection we count.