AA 1428 then AA 768 at Phoenix
DES → Phoenix → Philadelphia
Timetable, Phoenix time
10:29AA 1428 from DES at the gate
09:43AA 768 to Philadelphia leaves the gate
23 h 14 apart on the timetable, overnight
AA 768 leaves 23 h 14 after AA 1428 arrives on the timetable: more than half a day, so not a connection we count.