AA 2399 then DL 5845 at Philadelphia
Orlando → Philadelphia → Boston
Timetable, Philadelphia time
10:34AA 2399 from Orlando at the gate
10:27DL 5845 to Boston leaves the gate
23 h 53 apart on the timetable, overnight
DL 5845 leaves 23 h 53 after AA 2399 arrives on the timetable: more than half a day, so not a connection we count.