WN 4307 then WN 908 at Phoenix
Seattle → Phoenix → Burbank
Timetable, Phoenix time
10:55WN 4307 from Seattle at the gate
17:15WN 908 to Burbank leaves the gate
6 h 20 apart on the timetable
The last days
WN 4307 and WN 908 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.