AA 1428 then AA 6351 at Phoenix
DES → Phoenix → St George
Timetable, Phoenix time
10:29AA 1428 from DES at the gate
09:42AA 6351 to St George leaves the gate
23 h 13 apart on the timetable, overnight
AA 6351 leaves 23 h 13 after AA 1428 arrives on the timetable: more than half a day, so not a connection we count.