DL 5619 then AA 4575 at Boston
Milwaukee → Boston → New York JFK
Timetable, Boston time
22:02DL 5619 from Milwaukee at the gate
21:24AA 4575 to New York JFK leaves the gate
23 h 22 apart on the timetable, overnight
AA 4575 leaves 23 h 22 after DL 5619 arrives on the timetable: more than half a day, so not a connection we count.