AA 5277 then AA 5492 at Philadelphia
Memphis → Philadelphia → Northwest Arkansas
Timetable, Philadelphia time
19:41AA 5277 from Memphis at the gate
18:50AA 5492 to Northwest Arkansas leaves the gate
23 h 09 apart on the timetable, overnight
AA 5492 leaves 23 h 09 after AA 5277 arrives on the timetable: more than half a day, so not a connection we count.