B6 6902 then DL 2342 at JFK
Istanbul → New York → Atlanta
Timetable, New York time
11:55B6 6902 from Istanbul at the gate
11:30DL 2342 to Atlanta leaves the gate
23 h 35 apart on the timetable, overnight
DL 2342 leaves 23 h 35 after B6 6902 arrives on the timetable: more than half a day, so not a connection we count.