DL 3976 then DL 1371 at Detroit
Traverse City → Detroit → St Louis
Timetable, Detroit time
13:20DL 3976 from Traverse City at the gate
12:40DL 1371 to St Louis leaves the gate
23 h 20 apart on the timetable, overnight
DL 1371 leaves 23 h 20 after DL 3976 arrives on the timetable: more than half a day, so not a connection we count.