DL 1237 then DL 1479 at Atlanta
Sioux Falls → Atlanta → Columbus (Ohio)
Timetable, Atlanta time
09:00DL 1237 from Sioux Falls at the gate
08:26DL 1479 to Columbus (Ohio) leaves the gate
23 h 26 apart on the timetable, overnight
DL 1479 leaves 23 h 26 after DL 1237 arrives on the timetable: more than half a day, so not a connection we count.