AA 540 then AA 3291 at Phoenix
Spokane → Phoenix → San Diego
Timetable, Phoenix time
17:22AA 540 from Spokane at the gate
18:05AA 3291 to San Diego leaves the gate
43 min apart on the timetable
The last days
AA 540 and AA 3291 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.