AA 418 then AA 1533 at Miami
Memphis → Miami → Washington National
Timetable, Miami time
08:55AA 418 from Memphis at the gate
19:19AA 1533 to Washington National leaves the gate
10 h 24 apart on the timetable
The last days
AA 418 and AA 1533 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.