AA 5565 then AA 5965 at Charlotte
Memphis → Charlotte → Chattanooga
Timetable, Charlotte time
15:33AA 5565 from Memphis at the gate
15:18AA 5965 to Chattanooga leaves the gate
23 h 45 apart on the timetable, overnight
AA 5965 leaves 23 h 45 after AA 5565 arrives on the timetable: more than half a day, so not a connection we count.