AA 5959 then AA 5292 at Charlotte
Columbia Metropolitan → Charlotte → Knoxville
Timetable, Charlotte time
21:48AA 5959 from Columbia Metropolitan at the gate
21:35AA 5292 to Knoxville leaves the gate
23 h 47 apart on the timetable, overnight
AA 5292 leaves 23 h 47 after AA 5959 arrives on the timetable: more than half a day, so not a connection we count.