UA 792 then UA 4743 at Denver
Washington → Denver → Salt Lake City
Timetable, Denver time
10:29UA 792 from Washington at the gate
08:00UA 4743 to Salt Lake City leaves the gate
21 h 31 apart on the timetable, overnight
UA 4743 leaves 21 h 31 after UA 792 arrives on the timetable: more than half a day, so not a connection we count.