AA 4803 then AA 4508 at JFK
Cincinnati → New York → Washington National
Timetable, New York time
10:01AA 4803 from Cincinnati at the gate
17:29AA 4508 to Washington National leaves the gate
7 h 28 apart on the timetable
The last days
AA 4803 and AA 4508 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.