AA 6577 then AA 6043 at Philadelphia
Allentown → Philadelphia → State College
Timetable, Philadelphia time
13:00AA 6577 from Allentown at the gate
12:55AA 6043 to State College leaves the gate
23 h 55 apart on the timetable, overnight
AA 6043 leaves 23 h 55 after AA 6577 arrives on the timetable: more than half a day, so not a connection we count.