DL 5771 then DL 1371 at Detroit
Indianapolis → Detroit → St Louis
Timetable, Detroit time
18:14DL 5771 from Indianapolis at the gate
12:40DL 1371 to St Louis leaves the gate
18 h 26 apart on the timetable, overnight
DL 1371 leaves 18 h 26 after DL 5771 arrives on the timetable: more than half a day, so not a connection we count.