F9 685 then UA 4743 at Denver
Washington National → Denver → Salt Lake City
Timetable, Denver time
09:16F9 685 from Washington National at the gate
08:00UA 4743 to Salt Lake City leaves the gate
22 h 44 apart on the timetable, overnight
UA 4743 leaves 22 h 44 after F9 685 arrives on the timetable: more than half a day, so not a connection we count.