DL 2646 then AA 4575 at Boston
Chicago O'Hare → Boston → New York JFK
Timetable, Boston time
22:53DL 2646 from Chicago O'Hare at the gate
21:24AA 4575 to New York JFK leaves the gate
22 h 31 apart on the timetable, overnight
AA 4575 leaves 22 h 31 after DL 2646 arrives on the timetable: more than half a day, so not a connection we count.