AA 9928 then AA 2358 at O'Hare
New York LaGuardia → Chicago → Austin
Timetable, Chicago time
06:45AA 9928 from New York LaGuardia at the gate
21:12AA 2358 to Austin leaves the gate
14 h 27 apart on the timetable
AA 2358 leaves 14 h 27 after AA 9928 arrives on the timetable: more than half a day, so not a connection we count.