|Travelers stranded by the Iceland volcanic ash cloud take to cots at John F. Kennedy International Airport in New York on April 19, 2010.|
Cosmic cocktails, commemorative flares, and special viewing glasses are some of the features of special 'eclipse flights.'
The Dow Jones U.S. Travel & Leisure Index has been falling since Thursday's attack in Barcelona, Spain.
Big Three U.S. carriers are all looking for fresh revenues.
Delta's plane collided with the wing of the stationary American Airlines aircraft.