AA 9909 then WN 2759 at Phoenix
Salt Lake City → Phoenix → Las Vegas
Timetable, Phoenix time
14:30AA 9909 from Salt Lake City at the gate
15:25WN 2759 to Las Vegas leaves the gate
55 min apart on the timetable
The last days
AA 9909 and WN 2759 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.