AA 5585 then AA 5447 at Charlotte
Louisville → Charlotte → Washington
Timetable, Charlotte time
20:41AA 5585 from Louisville at the gate
15:42AA 5447 to Washington leaves the gate
19 h 01 apart on the timetable, overnight
AA 5447 leaves 19 h 01 after AA 5585 arrives on the timetable: more than half a day, so not a connection we count.