AA 2415 then AA 1594 at Phoenix
Philadelphia → Phoenix → Austin
Timetable, Phoenix time
14:10AA 2415 from Philadelphia at the gate
13:58AA 1594 to Austin leaves the gate
23 h 48 apart on the timetable, overnight
AA 1594 leaves 23 h 48 after AA 2415 arrives on the timetable: more than half a day, so not a connection we count.