DL 4959 then DL 5015 at JFK
Jacksonville → New York → Charleston (South Carolina)
Timetable, New York time
10:09DL 4959 from Jacksonville at the gate
09:25DL 5015 to Charleston (South Carolina) leaves the gate
23 h 16 apart on the timetable, overnight
DL 5015 leaves 23 h 16 after DL 4959 arrives on the timetable: more than half a day, so not a connection we count.