AA 1531 then AA 1805 at Phoenix
Chicago O'Hare → Phoenix → Austin
Timetable, Phoenix time
20:07AA 1531 from Chicago O'Hare at the gate
19:30AA 1805 to Austin leaves the gate
23 h 23 apart on the timetable, overnight
AA 1805 leaves 23 h 23 after AA 1531 arrives on the timetable: more than half a day, so not a connection we count.