AA 6078 then AA 2776 at Charlotte
Harrisburg → Charlotte → Boston
Timetable, Charlotte time
10:10AA 6078 from Harrisburg at the gate
08:55AA 2776 to Boston leaves the gate
22 h 45 apart on the timetable, overnight
AA 2776 leaves 22 h 45 after AA 6078 arrives on the timetable: more than half a day, so not a connection we count.