WN 4256 then WN 164 at Phoenix
Denver → Phoenix → Austin
Timetable, Phoenix time
06:50WN 4256 from Denver at the gate
18:05WN 164 to Austin leaves the gate
11 h 15 apart on the timetable
The last days
WN 4256 and WN 164 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.