DL 876 then WN 1638 at Detroit
Santa Ana → Detroit → Denver
Timetable, Detroit time
19:40DL 876 from Santa Ana at the gate
16:15WN 1638 to Denver leaves the gate
20 h 35 apart on the timetable, overnight
WN 1638 leaves 20 h 35 after DL 876 arrives on the timetable: more than half a day, so not a connection we count.