Between June and August 2007, there were 2,792,951 flights in Europe, an increase of 5.6% compared to the same period in 2006. Despite a higher-than-predicted growth, delays caused by en-route air traffic control were contained at 2.1 minutes per flight. Between June and August of 2007, airlines were responsible for 55% of all primary delays and 18% were attributable to airports. En-route air traffic...