DL 5126 then DL 1371 at Detroit
Green Bay → Detroit → St Louis
Timetable, Detroit time
13:22DL 5126 from Green Bay at the gate
12:40DL 1371 to St Louis leaves the gate
23 h 18 apart on the timetable, overnight
DL 1371 leaves 23 h 18 after DL 5126 arrives on the timetable: more than half a day, so not a connection we count.