DL 3848 then DL 1371 at Detroit
Milwaukee → Detroit → St Louis
Timetable, Detroit time
15:28DL 3848 from Milwaukee at the gate
12:40DL 1371 to St Louis leaves the gate
21 h 12 apart on the timetable, overnight
DL 1371 leaves 21 h 12 after DL 3848 arrives on the timetable: more than half a day, so not a connection we count.