AA 4714 then DL 5601 at Boston
Harrisburg → Boston → Cincinnati
Timetable, Boston time
08:47AA 4714 from Harrisburg at the gate
08:45DL 5601 to Cincinnati leaves the gate
23 h 58 apart on the timetable, overnight
DL 5601 leaves 23 h 58 after AA 4714 arrives on the timetable: more than half a day, so not a connection we count.