F9 3229 then UA 4743 at Denver
Houston → Denver → Salt Lake City
Timetable, Denver time
08:20F9 3229 from Houston at the gate
08:00UA 4743 to Salt Lake City leaves the gate
23 h 40 apart on the timetable, overnight
UA 4743 leaves 23 h 40 after F9 3229 arrives on the timetable: more than half a day, so not a connection we count.