AA 6422 then AS 9799 at Salt Lake City
Phoenix Sky Harbor → Salt Lake City → San Diego
Timetable, Salt Lake City time
11:45AA 6422 from Phoenix Sky Harbor at the gate
16:20AS 9799 to San Diego leaves the gate
4 h 35 apart on the timetable
The last days
AA 6422 and AS 9799 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.