DL 514 then DL 5702 at Boston
Phoenix → Boston → New York JFK
Timetable, Boston time
06:23DL 514 from Phoenix at the gate
21:20DL 5702 to New York JFK leaves the gate
14 h 57 apart on the timetable
DL 5702 leaves 14 h 57 after DL 514 arrives on the timetable: more than half a day, so not a connection we count.