 She was amazed at the lines and the chaos at the airport in West Palm Beach, Florida. Close to 11,000 flights have been delayed in the U.S. today and nearly 3,000 canceled. Massive numbers linked back to the computer problems. Delta, with over 1,000 flights canceled itself with its hub in Atlanta, hit the hardest. United following with hundreds canceled, impacting Chicago O'Hare. Passengers have been stranded, camped out at the airports. American Airlines says it's getting passengers hotel rooms and food.