Flight delays happen for many reasons. Airlines can impose delays on themselves, or when weather hits, delays are put into place by air traffic control.
In celebration of their 85th birthday, United Airlines unveiled an Airbus A320 painted in their classic "Friend Ship" livery at Chicago's O'Hare International Airport.
Condor Airlines flew their first Seattle-Frankfurt flight yesterday using a Boeing 767-300ER, greeted by a water cannon salute and a celebration at the South Terminal.