AA 1198 then DL 1692 at Philadelphia
Boston → Philadelphia → Atlanta
Timetable, Philadelphia time
17:36AA 1198 from Boston at the gate
17:17DL 1692 to Atlanta leaves the gate
23 h 41 apart on the timetable, overnight
DL 1692 leaves 23 h 41 after AA 1198 arrives on the timetable: more than half a day, so not a connection we count.