F9 2350 then UA 2045 at Denver
Las Vegas → Denver → Hayden
Timetable, Denver time
14:41F9 2350 from Las Vegas at the gate
11:25UA 2045 to Hayden leaves the gate
20 h 44 apart on the timetable, overnight
UA 2045 leaves 20 h 44 after F9 2350 arrives on the timetable: more than half a day, so not a connection we count.