F9 3227 then UA 4743 at Denver
Houston → Denver → Salt Lake City
Timetable, Denver time
12:30F9 3227 from Houston at the gate
08:00UA 4743 to Salt Lake City leaves the gate
19 h 30 apart on the timetable, overnight
UA 4743 leaves 19 h 30 after F9 3227 arrives on the timetable: more than half a day, so not a connection we count.