UA 730 then UA 4743 at Denver
New Orleans → Denver → Salt Lake City
Timetable, Denver time
08:59UA 730 from New Orleans at the gate
08:00UA 4743 to Salt Lake City leaves the gate
23 h 01 apart on the timetable, overnight
UA 4743 leaves 23 h 01 after UA 730 arrives on the timetable: more than half a day, so not a connection we count.