DL 492 then WN 3075 at Detroit
San Diego → Detroit → St Louis
Timetable, Detroit time
19:03DL 492 from San Diego at the gate
18:20WN 3075 to St Louis leaves the gate
23 h 17 apart on the timetable, overnight
WN 3075 leaves 23 h 17 after DL 492 arrives on the timetable: more than half a day, so not a connection we count.