AA 5425 then AA 5564 at Charlotte
Washington National → Charlotte → Harrisburg
Timetable, Charlotte time
14:20AA 5425 from Washington National at the gate
11:15AA 5564 to Harrisburg leaves the gate
20 h 55 apart on the timetable, overnight
AA 5564 leaves 20 h 55 after AA 5425 arrives on the timetable: more than half a day, so not a connection we count.