
SAN FRANCISCO - NOVEMBER 25: Flights are shown as 'on time' on a United Airlines departures monitor at San Francisco International Airport November 25, 2008 in San Francisco, California. As the economy continues to falter, AAA is forecasting a decline in holiday travel with an estimated 41 million people traveling over 50 miles from their home, down from 41.6 million a year ago. (Photo by Justin Sullivan/Getty Images)
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