AA 4615 then B6 1117 at Boston
Cincinnati → Boston → New York JFK
Timetable, Boston time
20:13AA 4615 from Cincinnati at the gate
20:10B6 1117 to New York JFK leaves the gate
23 h 57 apart on the timetable, overnight
B6 1117 leaves 23 h 57 after AA 4615 arrives on the timetable: more than half a day, so not a connection we count.