Which central and eastern European airport is the busiest ?
In 2011 , Heathrow was the busiest airport in Europe in total passenger traffic , with 13.9 % more passengers than Paris - Charles de Gaulle Airport and 23.0 % more than Frankfurt Airport , However , it was in second place behind Charles de Gaulle in total aircraft movements in 2011 with 5.1 % fewer landings and take offs than its French counterpart .