AA 5564 then AA 5447 at Charlotte
Harrisburg → Charlotte → Washington
Timetable, Charlotte time
18:46AA 5564 from Harrisburg at the gate
15:42AA 5447 to Washington leaves the gate
20 h 56 apart on the timetable, overnight
AA 5447 leaves 20 h 56 after AA 5564 arrives on the timetable: more than half a day, so not a connection we count.