AA 1850 then AA 1594 at Phoenix
Philadelphia → Phoenix → Austin
Timetable, Phoenix time
16:06AA 1850 from Philadelphia at the gate
13:58AA 1594 to Austin leaves the gate
21 h 52 apart on the timetable, overnight
AA 1594 leaves 21 h 52 after AA 1850 arrives on the timetable: more than half a day, so not a connection we count.