AA 2316 then AA 6445 at Charlotte
Baltimore → Charlotte → Knoxville
Timetable, Charlotte time
16:00AA 2316 from Baltimore at the gate
15:35AA 6445 to Knoxville leaves the gate
23 h 35 apart on the timetable, overnight
AA 6445 leaves 23 h 35 after AA 2316 arrives on the timetable: more than half a day, so not a connection we count.