AA 1318 then AA 1594 at Phoenix
DES → Phoenix → Austin
Timetable, Phoenix time
17:10AA 1318 from DES at the gate
13:58AA 1594 to Austin leaves the gate
20 h 48 apart on the timetable, overnight
AA 1594 leaves 20 h 48 after AA 1318 arrives on the timetable: more than half a day, so not a connection we count.