AA 4949 then AA 1594 at Phoenix
Durango → Phoenix → Austin
Timetable, Phoenix time
19:55AA 4949 from Durango at the gate
13:58AA 1594 to Austin leaves the gate
18 h 03 apart on the timetable, overnight
AA 1594 leaves 18 h 03 after AA 4949 arrives on the timetable: more than half a day, so not a connection we count.