AA 6575 then AA 4466 at Philadelphia
Allentown → Philadelphia → St Louis
Timetable, Philadelphia time
07:30AA 6575 from Allentown at the gate
17:40AA 4466 to St Louis leaves the gate
10 h 10 apart on the timetable
The last days
AA 6575 and AA 4466 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.