DL 1223 then DL 2944 at Atlanta
Cincinnati → Atlanta → Columbia
Timetable, Atlanta time
16:30DL 1223 from Cincinnati at the gate
12:15DL 2944 to Columbia leaves the gate
19 h 45 apart on the timetable, overnight
DL 2944 leaves 19 h 45 after DL 1223 arrives on the timetable: more than half a day, so not a connection we count.