AA 560 then AA 4466 at Philadelphia
Kansas City → Philadelphia → St Louis
Timetable, Philadelphia time
09:48AA 560 from Kansas City at the gate
17:40AA 4466 to St Louis leaves the gate
7 h 52 apart on the timetable
The last days
AA 560 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.