AA 6113 then AA 5506 at Charlotte
Knoxville → Charlotte → Memphis
Timetable, Charlotte time
15:33AA 6113 from Knoxville at the gate
12:22AA 5506 to Memphis leaves the gate
20 h 49 apart on the timetable, overnight
AA 5506 leaves 20 h 49 after AA 6113 arrives on the timetable: more than half a day, so not a connection we count.