DL 2476 then DL 1371 at Detroit
Washington National → Detroit → St Louis
Timetable, Detroit time
14:03DL 2476 from Washington National at the gate
12:40DL 1371 to St Louis leaves the gate
22 h 37 apart on the timetable, overnight
DL 1371 leaves 22 h 37 after DL 2476 arrives on the timetable: more than half a day, so not a connection we count.