DL 5703 then DL 5720 at Boston
Baltimore → Boston → New York JFK
Timetable, Boston time
10:41DL 5703 from Baltimore at the gate
09:10DL 5720 to New York JFK leaves the gate
22 h 29 apart on the timetable, overnight
DL 5720 leaves 22 h 29 after DL 5703 arrives on the timetable: more than half a day, so not a connection we count.