air travel April 3, 2022 5:08 pm U.S. Airlines Cancel More Than 3,500 Flights Over Weekend Airlines have canceled more than 3,500 U.S. flights this weekend and delayed thousands more, citing weather in Florida and other issues. US & World Videos 1:45 NYPD enters Columbia University in riot gear to clear protest 4:28 ‘Apples Never Fall' and ‘Jurassic Park' star Sam Neill reveals his real name 3:21 Katy Perry's surprising regret about cheeseburger Met Gala look 1:01 Biden administration plans to reclassify marijuana as a Schedule III drug 2:28 King Charles returns to public duties amid cancer diagnosis