AA 1428 then WN 4509 at Phoenix
DES → Phoenix → Tucson
Timetable, Phoenix time
07:19AA 1428 from DES at the gate
19:30WN 4509 to Tucson leaves the gate
12 h 11 apart on the timetable
WN 4509 leaves 12 h 11 after AA 1428 arrives on the timetable: more than half a day, so not a connection we count.