WN 4007 then WN 1660 at Denver
Houston Hobby → Denver → Las Vegas
Timetable, Denver time
20:05WN 4007 from Houston Hobby at the gate
06:55WN 1660 to Las Vegas leaves the gate
10 h 50 apart on the timetable, overnight
The last days
WN 4007 and WN 1660 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.