AA 6078 then AA 8857 at Charlotte
Harrisburg → Charlotte → Greensboro
Timetable, Charlotte time
10:10AA 6078 from Harrisburg at the gate
09:35AA 8857 to Greensboro leaves the gate
23 h 25 apart on the timetable, overnight
AA 8857 leaves 23 h 25 after AA 6078 arrives on the timetable: more than half a day, so not a connection we count.