DL 5232 then DL 5257 at Detroit
Memphis → Detroit → Cincinnati
Timetable, Detroit time
20:50DL 5232 from Memphis at the gate
12:25DL 5257 to Cincinnati leaves the gate
15 h 35 apart on the timetable, overnight
DL 5257 leaves 15 h 35 after DL 5232 arrives on the timetable: more than half a day, so not a connection we count.