AA 5277 then AA 5927 at Philadelphia
Memphis → Philadelphia → Roanoke
Timetable, Philadelphia time
19:41AA 5277 from Memphis at the gate
18:52AA 5927 to Roanoke leaves the gate
23 h 11 apart on the timetable, overnight
AA 5927 leaves 23 h 11 after AA 5277 arrives on the timetable: more than half a day, so not a connection we count.