B6 478 then DL 4984 at JFK
Jacksonville → New York → Indianapolis
Timetable, New York time
17:50B6 478 from Jacksonville at the gate
13:59DL 4984 to Indianapolis leaves the gate
20 h 09 apart on the timetable, overnight
DL 4984 leaves 20 h 09 after B6 478 arrives on the timetable: more than half a day, so not a connection we count.