AA 6253 then AA 1594 at Phoenix
Medford → Phoenix → Austin
Timetable, Phoenix time
17:03AA 6253 from Medford at the gate
13:58AA 1594 to Austin leaves the gate
20 h 55 apart on the timetable, overnight
AA 1594 leaves 20 h 55 after AA 6253 arrives on the timetable: more than half a day, so not a connection we count.