DL 1223 then DL 775 at Atlanta
Cincinnati → Atlanta → Cleveland
Timetable, Atlanta time
16:33DL 1223 from Cincinnati at the gate
12:27DL 775 to Cleveland leaves the gate
19 h 54 apart on the timetable, overnight
DL 775 leaves 19 h 54 after DL 1223 arrives on the timetable: more than half a day, so not a connection we count.