DL 1656 then B6 8420 at Atlanta
Charlotte → Atlanta → New York JFK
Timetable, Atlanta time
07:55DL 1656 from Charlotte at the gate
23:59B6 8420 to New York JFK leaves the gate
16 h 04 apart on the timetable
B6 8420 leaves 16 h 04 after DL 1656 arrives on the timetable: more than half a day, so not a connection we count.