AA 5564 then AA 1909 at Charlotte
Harrisburg → Charlotte → Richmond
Timetable, Charlotte time
18:46AA 5564 from Harrisburg at the gate
18:12AA 1909 to Richmond leaves the gate
23 h 26 apart on the timetable, overnight
AA 1909 leaves 23 h 26 after AA 5564 arrives on the timetable: more than half a day, so not a connection we count.