F9 1766 then WN 1749 at Denver
Las Vegas → Denver → Dallas
Timetable, Denver time
12:42F9 1766 from Las Vegas at the gate
06:05WN 1749 to Dallas leaves the gate
17 h 23 apart on the timetable, overnight
WN 1749 leaves 17 h 23 after F9 1766 arrives on the timetable: more than half a day, so not a connection we count.