F9 2350 then UA 617 at Denver
Las Vegas → Denver → Chicago O'Hare
Timetable, Denver time
14:41F9 2350 from Las Vegas at the gate
13:25UA 617 to Chicago O'Hare leaves the gate
22 h 44 apart on the timetable, overnight
UA 617 leaves 22 h 44 after F9 2350 arrives on the timetable: more than half a day, so not a connection we count.