AA 5572 then AA 1790 at Charlotte
Lexington → Charlotte → Memphis
Timetable, Charlotte time
15:02AA 5572 from Lexington at the gate
13:21AA 1790 to Memphis leaves the gate
22 h 19 apart on the timetable, overnight
AA 1790 leaves 22 h 19 after AA 5572 arrives on the timetable: more than half a day, so not a connection we count.