AA 2688 then AA 5506 at Charlotte
Raleigh-Durham → Charlotte → Memphis
Timetable, Charlotte time
14:00AA 2688 from Raleigh-Durham at the gate
12:22AA 5506 to Memphis leaves the gate
22 h 22 apart on the timetable, overnight
AA 5506 leaves 22 h 22 after AA 2688 arrives on the timetable: more than half a day, so not a connection we count.