AA 1754 then AA 1951 at Phoenix
Pittsburgh → Phoenix → San Diego
Timetable, Phoenix time
10:07AA 1754 from Pittsburgh at the gate
14:20AA 1951 to San Diego leaves the gate
4 h 13 apart on the timetable
The last days
AA 1754 and AA 1951 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.