B6 478 then AA 4449 at JFK
Jacksonville → New York → Indianapolis
Timetable, New York time
18:00B6 478 from Jacksonville at the gate
15:17AA 4449 to Indianapolis leaves the gate
21 h 17 apart on the timetable, overnight
AA 4449 leaves 21 h 17 after B6 478 arrives on the timetable: more than half a day, so not a connection we count.