AA 5457 then AA 5675 at Charlotte
Manchester → Charlotte → Knoxville
Timetable, Charlotte time
18:18AA 5457 from Manchester at the gate
17:33AA 5675 to Knoxville leaves the gate
23 h 15 apart on the timetable, overnight
AA 5675 leaves 23 h 15 after AA 5457 arrives on the timetable: more than half a day, so not a connection we count.