AA 503 then AA 1594 at Phoenix
Northwest Arkansas → Phoenix → Austin
Timetable, Phoenix time
15:45AA 503 from Northwest Arkansas at the gate
13:58AA 1594 to Austin leaves the gate
22 h 13 apart on the timetable, overnight
AA 1594 leaves 22 h 13 after AA 503 arrives on the timetable: more than half a day, so not a connection we count.