AA 9975 then AA 5882 at Philadelphia
Roanoke → Philadelphia → Richmond
Timetable, Philadelphia time
15:24AA 9975 from Roanoke at the gate
13:35AA 5882 to Richmond leaves the gate
22 h 11 apart on the timetable, overnight
AA 5882 leaves 22 h 11 after AA 9975 arrives on the timetable: more than half a day, so not a connection we count.