DL 5706 then DL 2956 at Philadelphia
Boston → Philadelphia → Atlanta
Timetable, Philadelphia time
15:51DL 5706 from Boston at the gate
15:46DL 2956 to Atlanta leaves the gate
23 h 55 apart on the timetable, overnight
DL 2956 leaves 23 h 55 after DL 5706 arrives on the timetable: more than half a day, so not a connection we count.