DL 706 then DL 434 at Atlanta
Denver → Atlanta → New York LaGuardia
Timetable, Atlanta time
18:01DL 706 from Denver at the gate
18:00DL 434 to New York LaGuardia leaves the gate
23 h 59 apart on the timetable, overnight
DL 434 leaves 23 h 59 after DL 706 arrives on the timetable: more than half a day, so not a connection we count.