B6 478 then DL 2342 at JFK
Jacksonville → New York → Atlanta
Timetable, New York time
12:42B6 478 from Jacksonville at the gate
11:30DL 2342 to Atlanta leaves the gate
22 h 48 apart on the timetable, overnight
DL 2342 leaves 22 h 48 after B6 478 arrives on the timetable: more than half a day, so not a connection we count.