AA 5585 then AA 434 at Charlotte
Louisville → Charlotte → Austin
Timetable, Charlotte time
20:41AA 5585 from Louisville at the gate
20:15AA 434 to Austin leaves the gate
23 h 34 apart on the timetable, overnight
AA 434 leaves 23 h 34 after AA 5585 arrives on the timetable: more than half a day, so not a connection we count.