DL 788 then WN 1582 at Detroit
San Antonio → Detroit → St Louis
Timetable, Detroit time
15:43DL 788 from San Antonio at the gate
14:55WN 1582 to St Louis leaves the gate
23 h 12 apart on the timetable, overnight
WN 1582 leaves 23 h 12 after DL 788 arrives on the timetable: more than half a day, so not a connection we count.