DL 514 then AA 4715 at Boston
Phoenix → Boston → Harrisburg
Timetable, Boston time
06:23DL 514 from Phoenix at the gate
22:00AA 4715 to Harrisburg leaves the gate
15 h 37 apart on the timetable
AA 4715 leaves 15 h 37 after DL 514 arrives on the timetable: more than half a day, so not a connection we count.