DL 2847 then B6 419 at JFK
New Orleans → New York → Atlanta
Timetable, New York time
15:27DL 2847 from New Orleans at the gate
14:59B6 419 to Atlanta leaves the gate
23 h 32 apart on the timetable, overnight
B6 419 leaves 23 h 32 after DL 2847 arrives on the timetable: more than half a day, so not a connection we count.