AA 839 then AA 1594 at Phoenix
Detroit → Phoenix → San Diego
Timetable, Phoenix time
09:33AA 839 from Detroit at the gate
21:40AA 1594 to San Diego leaves the gate
12 h 07 apart on the timetable
AA 1594 leaves 12 h 07 after AA 839 arrives on the timetable: more than half a day, so not a connection we count.