DL 939 then DL 5293 at JFK
Los Angeles → New York → Charleston (South Carolina)
Timetable, New York time
20:59DL 939 from Los Angeles at the gate
18:00DL 5293 to Charleston (South Carolina) leaves the gate
21 h 01 apart on the timetable, overnight
DL 5293 leaves 21 h 01 after DL 939 arrives on the timetable: more than half a day, so not a connection we count.