DL 5272 then DL 1371 at Detroit
Lansing → Detroit → St Louis
Timetable, Detroit time
12:43DL 5272 from Lansing at the gate
12:40DL 1371 to St Louis leaves the gate
23 h 57 apart on the timetable, overnight
DL 1371 leaves 23 h 57 after DL 5272 arrives on the timetable: more than half a day, so not a connection we count.