F9 2350 then UA 5845 at Denver
Las Vegas → Denver → Billings
Timetable, Denver time
14:41F9 2350 from Las Vegas at the gate
13:38UA 5845 to Billings leaves the gate
22 h 57 apart on the timetable, overnight
UA 5845 leaves 22 h 57 after F9 2350 arrives on the timetable: more than half a day, so not a connection we count.