AA 5298 then DL 5845 at Philadelphia
Birmingham (Alabama) → Philadelphia → Boston
Timetable, Philadelphia time
09:32AA 5298 from Birmingham (Alabama) at the gate
09:00DL 5845 to Boston leaves the gate
23 h 28 apart on the timetable, overnight
DL 5845 leaves 23 h 28 after AA 5298 arrives on the timetable: more than half a day, so not a connection we count.