B6 2459 then AA 5347 at Philadelphia
Boston → Philadelphia → Richmond
Timetable, Philadelphia time
17:08B6 2459 from Boston at the gate
10:02AA 5347 to Richmond leaves the gate
16 h 54 apart on the timetable, overnight
AA 5347 leaves 16 h 54 after B6 2459 arrives on the timetable: more than half a day, so not a connection we count.