WN 262 then UA 347 at Denver
Las Vegas → Denver → Washington
Timetable, Denver time
17:40WN 262 from Las Vegas at the gate
14:10UA 347 to Washington leaves the gate
20 h 30 apart on the timetable, overnight
UA 347 leaves 20 h 30 after WN 262 arrives on the timetable: more than half a day, so not a connection we count.