Airline Passenger Witnesses UFO! Chicago: 19/12/2012

Strange UFO sighted and filmed from within a plane,  en route from La Guardia Airport in New York to Houston, Texas. The object appeared when the plane was in the Chicago, Illinois area. If anyone has suggestions on what the object may be, please respond to this post. UFO watcher note: Always keep your cameras ready when you fly. Choose a window seat and look out of the window - even if its