DL 1543 then DL 1371 at Detroit
Nashville → Detroit → St Louis
Timetable, Detroit time
12:55DL 1543 from Nashville at the gate
12:40DL 1371 to St Louis leaves the gate
23 h 45 apart on the timetable, overnight
DL 1371 leaves 23 h 45 after DL 1543 arrives on the timetable: more than half a day, so not a connection we count.