AA 1249 then AA 6018 at Charlotte
Pensacola → Charlotte → Knoxville
Timetable, Charlotte time
14:49AA 1249 from Pensacola at the gate
09:10AA 6018 to Knoxville leaves the gate
18 h 21 apart on the timetable, overnight
AA 6018 leaves 18 h 21 after AA 1249 arrives on the timetable: more than half a day, so not a connection we count.