UA 5935 then UA 2602 at Denver
Salt Lake City → Denver → Boise
Timetable, Denver time
20:03UA 5935 from Salt Lake City at the gate
15:55UA 2602 to Boise leaves the gate
19 h 52 apart on the timetable, overnight
UA 2602 leaves 19 h 52 after UA 5935 arrives on the timetable: more than half a day, so not a connection we count.