DL 2398 then B6 75 at JFK
Atlanta → New York → New Orleans
Timetable, New York time
17:36DL 2398 from Atlanta at the gate
06:45B6 75 to New Orleans leaves the gate
13 h 09 apart on the timetable, overnight
B6 75 leaves 13 h 09 after DL 2398 arrives on the timetable: more than half a day, so not a connection we count.