DL 1780 then WN 956 at Boston
Atlanta → Boston → Baltimore
Timetable, Boston time
23:27DL 1780 from Atlanta at the gate
21:00WN 956 to Baltimore leaves the gate
21 h 33 apart on the timetable, overnight
WN 956 leaves 21 h 33 after DL 1780 arrives on the timetable: more than half a day, so not a connection we count.