DL 706 then DL 2786 at Atlanta
Denver → Atlanta → Columbus (Ohio)
Timetable, Atlanta time
18:01DL 706 from Denver at the gate
16:38DL 2786 to Columbus (Ohio) leaves the gate
22 h 37 apart on the timetable, overnight
DL 2786 leaves 22 h 37 after DL 706 arrives on the timetable: more than half a day, so not a connection we count.