DL 5052 then DL 5626 at Charlotte
New York JFK → Charlotte → Boston
Timetable, Charlotte time
09:56DL 5052 from New York JFK at the gate
09:50DL 5626 to Boston leaves the gate
23 h 54 apart on the timetable, overnight
DL 5626 leaves 23 h 54 after DL 5052 arrives on the timetable: more than half a day, so not a connection we count.