AA 5233 then AA 5259 at Philadelphia
Burlington → Philadelphia → Pittsburgh
Timetable, Philadelphia time
07:58AA 5233 from Burlington at the gate
13:35AA 5259 to Pittsburgh leaves the gate
5 h 37 apart on the timetable
The last days
AA 5233 and AA 5259 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.