DL 1780 then B6 1117 at Boston
Atlanta → Boston → New York JFK
Timetable, Boston time
23:27DL 1780 from Atlanta at the gate
20:10B6 1117 to New York JFK leaves the gate
20 h 43 apart on the timetable, overnight
B6 1117 leaves 20 h 43 after DL 1780 arrives on the timetable: more than half a day, so not a connection we count.