AA 3476 then AA 1594 at Phoenix
Lexington → Phoenix → San Diego
Timetable, Phoenix time
09:25AA 3476 from Lexington at the gate
21:40AA 1594 to San Diego leaves the gate
12 h 15 apart on the timetable
AA 1594 leaves 12 h 15 after AA 3476 arrives on the timetable: more than half a day, so not a connection we count.