WN 1751 then WN 8522 at Phoenix
Denver → Phoenix → San Diego
Timetable, Phoenix time
07:00WN 1751 from Denver at the gate
13:50WN 8522 to San Diego leaves the gate
6 h 50 apart on the timetable
The last days
WN 1751 and WN 8522 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.