AA 5416 then AA 5643 at Charlotte
Atlanta (ATL) → Charlotte → Savannah
Timetable, Charlotte time
15:55AA 5416 from Atlanta (ATL) at the gate
14:06AA 5643 to Savannah leaves the gate
22 h 11 apart on the timetable, overnight
AA 5643 leaves 22 h 11 after AA 5416 arrives on the timetable: more than half a day, so not a connection we count.