B6 2718 then DL 5626 at Boston
New York JFK → Boston → Charlotte
Timetable, Boston time
07:50B6 2718 from New York JFK at the gate
06:20DL 5626 to Charlotte leaves the gate
22 h 30 apart on the timetable, overnight
DL 5626 leaves 22 h 30 after B6 2718 arrives on the timetable: more than half a day, so not a connection we count.