DL 1223 then DL 2157 at Atlanta
Cincinnati → Atlanta → Charlotte
Timetable, Atlanta time
16:33DL 1223 from Cincinnati at the gate
12:18DL 2157 to Charlotte leaves the gate
19 h 45 apart on the timetable, overnight
DL 2157 leaves 19 h 45 after DL 1223 arrives on the timetable: more than half a day, so not a connection we count.