AA 6078 then AA 6018 at Charlotte
Harrisburg → Charlotte → Knoxville
Timetable, Charlotte time
10:10AA 6078 from Harrisburg at the gate
09:10AA 6018 to Knoxville leaves the gate
23 h apart on the timetable, overnight
AA 6018 leaves 23 h after AA 6078 arrives on the timetable: more than half a day, so not a connection we count.