F9 2387 then AA 1331 at Charlotte
Philadelphia → Charlotte → Washington National
Timetable, Charlotte time
07:59F9 2387 from Philadelphia at the gate
20:27AA 1331 to Washington National leaves the gate
12 h 28 apart on the timetable
AA 1331 leaves 12 h 28 after F9 2387 arrives on the timetable: more than half a day, so not a connection we count.