AA 5991 then AA 5370 at Charlotte
Augusta → Charlotte → Nashville
Timetable, Charlotte time
09:06AA 5991 from Augusta at the gate
08:50AA 5370 to Nashville leaves the gate
23 h 44 apart on the timetable, overnight
AA 5370 leaves 23 h 44 after AA 5991 arrives on the timetable: more than half a day, so not a connection we count.