WN 285 then WN 1749 at Denver
Las Vegas → Denver → Dallas
Timetable, Denver time
10:50WN 285 from Las Vegas at the gate
05:35WN 1749 to Dallas leaves the gate
18 h 45 apart on the timetable, overnight
WN 1749 leaves 18 h 45 after WN 285 arrives on the timetable: more than half a day, so not a connection we count.