UA 280 then WN 469 at Denver
Kansas City → Denver → Las Vegas
Timetable, Denver time
18:25UA 280 from Kansas City at the gate
17:20WN 469 to Las Vegas leaves the gate
22 h 55 apart on the timetable, overnight
WN 469 leaves 22 h 55 after UA 280 arrives on the timetable: more than half a day, so not a connection we count.