UA 4641 then 2I 594 at Denver
Durango → Denver → Salt Lake City
Timetable, Denver time
06:34UA 4641 from Durango at the gate
04:252I 594 to Salt Lake City leaves the gate
21 h 51 apart on the timetable, overnight
2I 594 leaves 21 h 51 after UA 4641 arrives on the timetable: more than half a day, so not a connection we count.