DL 5649 then DL 1480 at JFK
Columbus (Ohio) → New York → Atlanta
Timetable, New York time
14:22DL 5649 from Columbus (Ohio) at the gate
14:00DL 1480 to Atlanta leaves the gate
23 h 38 apart on the timetable, overnight
DL 1480 leaves 23 h 38 after DL 5649 arrives on the timetable: more than half a day, so not a connection we count.