WN 574 then WN 680 at Denver
San Francisco → Denver → Las Vegas
Timetable, Denver time
04:05WN 574 from San Francisco at the gate
10:15WN 680 to Las Vegas leaves the gate
6 h 10 apart on the timetable
The last days
WN 574 and WN 680 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.