UA 5355 then DL 2787 at Denver
Salt Lake City → Denver → Detroit
Timetable, Denver time
12:24UA 5355 from Salt Lake City at the gate
10:36DL 2787 to Detroit leaves the gate
22 h 12 apart on the timetable, overnight
DL 2787 leaves 22 h 12 after UA 5355 arrives on the timetable: more than half a day, so not a connection we count.