DL 1605 then WN 1582 at Detroit
Fort Lauderdale → Detroit → St Louis
Timetable, Detroit time
15:54DL 1605 from Fort Lauderdale at the gate
14:55WN 1582 to St Louis leaves the gate
23 h 01 apart on the timetable, overnight
WN 1582 leaves 23 h 01 after DL 1605 arrives on the timetable: more than half a day, so not a connection we count.