DL 5703 then DL 456 at Boston
Baltimore → Boston → Atlanta
Timetable, Boston time
10:41DL 5703 from Baltimore at the gate
09:05DL 456 to Atlanta leaves the gate
22 h 24 apart on the timetable, overnight
DL 456 leaves 22 h 24 after DL 5703 arrives on the timetable: more than half a day, so not a connection we count.