AA 5564 then AA 3063 at Charlotte
Harrisburg → Charlotte → Savannah
Timetable, Charlotte time
18:46AA 5564 from Harrisburg at the gate
16:00AA 3063 to Savannah leaves the gate
21 h 14 apart on the timetable, overnight
AA 3063 leaves 21 h 14 after AA 5564 arrives on the timetable: more than half a day, so not a connection we count.