FILE - In this April 16, 2010 photo, Continental Airlines's Vivian Shepard helps a customer at a ticket counter at George Bush Intercontinental Airport, in Houston. Being bumped from a flight this ... more 
FILE - In this April 16, 2010 photo, Continental Airlines's Vivian Shepard helps a customer at a ticket counter at George Bush Intercontinental Airport, in Houston. Being bumped from a flight this summer may not be worth the travel voucher or cash refund you get in return. (AP Photo/David J. Phillip, file) less 
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Associated Press | Photo By David J. Phillip, file
Fri, Jun 10, 2011 1:14 PM EDT