AA 1931 then AA 3257 at Phoenix
Dallas-Fort Worth → Phoenix → San Diego
Timetable, Phoenix time
23:21AA 1931 from Dallas-Fort Worth at the gate
11:04AA 3257 to San Diego leaves the gate
11 h 43 apart on the timetable, overnight
The last days
AA 1931 and AA 3257 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.