AA 3145 then AA 6445 at Charlotte
New Orleans → Charlotte → Knoxville
Timetable, Charlotte time
17:13AA 3145 from New Orleans at the gate
15:35AA 6445 to Knoxville leaves the gate
22 h 22 apart on the timetable, overnight
AA 6445 leaves 22 h 22 after AA 3145 arrives on the timetable: more than half a day, so not a connection we count.