AA 5143 then AA 5800 at Philadelphia
Hartford → Philadelphia → Richmond
Timetable, Philadelphia time
07:29AA 5143 from Hartford at the gate
20:23AA 5800 to Richmond leaves the gate
12 h 54 apart on the timetable
AA 5800 leaves 12 h 54 after AA 5143 arrives on the timetable: more than half a day, so not a connection we count.