B6 560 then DL 5702 at Boston
Philadelphia → Boston → New York JFK
Timetable, Boston time
19:54B6 560 from Philadelphia at the gate
19:30DL 5702 to New York JFK leaves the gate
23 h 36 apart on the timetable, overnight
DL 5702 leaves 23 h 36 after B6 560 arrives on the timetable: more than half a day, so not a connection we count.