AA 5306 then DL 2398 at Atlanta
Charlotte → Atlanta → New York JFK
Timetable, Atlanta time
21:12AA 5306 from Charlotte at the gate
15:16DL 2398 to New York JFK leaves the gate
18 h 04 apart on the timetable, overnight
DL 2398 leaves 18 h 04 after AA 5306 arrives on the timetable: more than half a day, so not a connection we count.