AA 2842 then AA 2758 at Charlotte
Chicago O'Hare → Charlotte → Memphis
Timetable, Charlotte time
08:13AA 2842 from Chicago O'Hare at the gate
21:00AA 2758 to Memphis leaves the gate
12 h 47 apart on the timetable
AA 2758 leaves 12 h 47 after AA 2842 arrives on the timetable: more than half a day, so not a connection we count.