AA 5936 then DL 5845 at Philadelphia
Harrisburg → Philadelphia → Boston
Timetable, Philadelphia time
10:33AA 5936 from Harrisburg at the gate
09:00DL 5845 to Boston leaves the gate
22 h 27 apart on the timetable, overnight
DL 5845 leaves 22 h 27 after AA 5936 arrives on the timetable: more than half a day, so not a connection we count.