DL 5505 then DL 1371 at Detroit
Birmingham (Alabama) → Detroit → St Louis
Timetable, Detroit time
13:29DL 5505 from Birmingham (Alabama) at the gate
12:40DL 1371 to St Louis leaves the gate
23 h 11 apart on the timetable, overnight
DL 1371 leaves 23 h 11 after DL 5505 arrives on the timetable: more than half a day, so not a connection we count.