DL 1223 then DL 3142 at Atlanta
Cincinnati → Atlanta → Nashville
Timetable, Atlanta time
16:33DL 1223 from Cincinnati at the gate
14:57DL 3142 to Nashville leaves the gate
22 h 24 apart on the timetable, overnight
DL 3142 leaves 22 h 24 after DL 1223 arrives on the timetable: more than half a day, so not a connection we count.