DL 876 then DL 4215 at Detroit
Santa Ana → Detroit → St Louis
Timetable, Detroit time
19:40DL 876 from Santa Ana at the gate
19:00DL 4215 to St Louis leaves the gate
23 h 20 apart on the timetable, overnight
DL 4215 leaves 23 h 20 after DL 876 arrives on the timetable: more than half a day, so not a connection we count.