AA 1428 then AA 4911 at Phoenix
DES → Phoenix → Flagstaff
Timetable, Phoenix time
10:29AA 1428 from DES at the gate
09:39AA 4911 to Flagstaff leaves the gate
23 h 10 apart on the timetable, overnight
AA 4911 leaves 23 h 10 after AA 1428 arrives on the timetable: more than half a day, so not a connection we count.