DL 4313 then DL 1627 at Detroit
Marquette → Detroit → Memphis
Timetable, Detroit time
08:57DL 4313 from Marquette at the gate
08:27DL 1627 to Memphis leaves the gate
23 h 30 apart on the timetable, overnight
DL 1627 leaves 23 h 30 after DL 4313 arrives on the timetable: more than half a day, so not a connection we count.