DL 706 then DL 2892 at Atlanta
Denver → Atlanta → Columbus (Ohio)
Timetable, Atlanta time
18:01DL 706 from Denver at the gate
14:59DL 2892 to Columbus (Ohio) leaves the gate
20 h 58 apart on the timetable, overnight
DL 2892 leaves 20 h 58 after DL 706 arrives on the timetable: more than half a day, so not a connection we count.