AS 9984 then DL 991 at LAX
Charleston (South Carolina) → Los Angeles → New York JFK
Timetable, Los Angeles time
11:44AS 9984 from Charleston (South Carolina) at the gate
11:25DL 991 to New York JFK leaves the gate
23 h 41 apart on the timetable, overnight
DL 991 leaves 23 h 41 after AS 9984 arrives on the timetable: more than half a day, so not a connection we count.