DL 2398 then B6 169 at JFK
Atlanta → New York → Punta Cana
Timetable, New York time
17:36DL 2398 from Atlanta at the gate
06:55B6 169 to Punta Cana leaves the gate
13 h 19 apart on the timetable, overnight
B6 169 leaves 13 h 19 after DL 2398 arrives on the timetable: more than half a day, so not a connection we count.