AA 301 then AA 5506 at Charlotte
Grand Cayman → Charlotte → Memphis
Timetable, Charlotte time
15:10AA 301 from Grand Cayman at the gate
12:22AA 5506 to Memphis leaves the gate
21 h 12 apart on the timetable, overnight
AA 5506 leaves 21 h 12 after AA 301 arrives on the timetable: more than half a day, so not a connection we count.