AA 1428 then AA 6254 at Phoenix
DES → Phoenix → Durango
Timetable, Phoenix time
10:29AA 1428 from DES at the gate
09:54AA 6254 to Durango leaves the gate
23 h 25 apart on the timetable, overnight
AA 6254 leaves 23 h 25 after AA 1428 arrives on the timetable: more than half a day, so not a connection we count.