AA 1335 then AA 5675 at Charlotte
Pittsburgh → Charlotte → Knoxville
Timetable, Charlotte time
19:24AA 1335 from Pittsburgh at the gate
17:33AA 5675 to Knoxville leaves the gate
22 h 09 apart on the timetable, overnight
AA 5675 leaves 22 h 09 after AA 1335 arrives on the timetable: more than half a day, so not a connection we count.