Computer problems at United delay travelers - Article Photos 3/3

David Caradine works at upgrading the software at a United Airlines e-ticket kiosk at Chicago's O'Hare International Airport Thursday, Nov. 15, 2012. Passengers in several cities say a massive computer outage has stranded United passengers at airports across the country, resulting in at least the third major computer outage for the Chicago-based airline since June. (AP Photo/Charles Rex Arbogast)