AA 3147 then AA 994 at Miami
Charleston (South Carolina) → Miami → Washington National
Timetable, Miami time
12:55AA 3147 from Charleston (South Carolina) at the gate
19:40AA 994 to Washington National leaves the gate
6 h 45 apart on the timetable
The last days
AA 3147 and AA 994 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.