DL 3889 then WN 2400 at Detroit
Omaha → Detroit → St Louis
Timetable, Detroit time
20:58DL 3889 from Omaha at the gate
20:25WN 2400 to St Louis leaves the gate
23 h 27 apart on the timetable, overnight
WN 2400 leaves 23 h 27 after DL 3889 arrives on the timetable: more than half a day, so not a connection we count.