Photojournalist Stefan Stifter gets his assignment at 3 am every morning from the news desk of KGO-TV (ABC7), the second-oldest television station serving the San Francisco Bay Area. His assignment of the day was to head to San Francisco International Airport with KGO-TV reporter Amanda del Castillo to cover the severe nationwide delays and cancellations crippling United Airlines before the busy Fourth of July travel weekend. A record 2,883,595 travelers screened past airport checkpoints across the country on June 30, the single busiest day in history according to the Transportation Security Administration.