DL 1223 then DL 2170 at Atlanta
Cincinnati → Atlanta → Valparaiso
Timetable, Atlanta time
16:33DL 1223 from Cincinnati at the gate
15:49DL 2170 to Valparaiso leaves the gate
23 h 16 apart on the timetable, overnight
DL 2170 leaves 23 h 16 after DL 1223 arrives on the timetable: more than half a day, so not a connection we count.