AA 6514 then WN 3494 at Phoenix
Tucson → Phoenix → San Diego
Timetable, Phoenix time
15:32AA 6514 from Tucson at the gate
19:25WN 3494 to San Diego leaves the gate
3 h 53 apart on the timetable
The last days
AA 6514 and WN 3494 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.