UA 1315 then WN 4313 at Denver
Las Vegas → Denver → Burbank
Timetable, Denver time
12:42UA 1315 from Las Vegas at the gate
12:15WN 4313 to Burbank leaves the gate
23 h 33 apart on the timetable, overnight
WN 4313 leaves 23 h 33 after UA 1315 arrives on the timetable: more than half a day, so not a connection we count.