WN 3387 then WN 8839 at Denver
Phoenix Sky Harbor → Denver → Kansas City
Timetable, Denver time
16:10WN 3387 from Phoenix Sky Harbor at the gate
20:28WN 8839 to Kansas City leaves the gate
4 h 18 apart on the timetable
The last days
WN 3387 and WN 8839 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.