美对委军事行动致大量航班取消，美国游客无法返程，被迫滞留

Group 1 - The U.S. military action against Venezuela on January 3 led to the cancellation of hundreds of flights in the Caribbean region, particularly affecting American tourists during the peak travel season [1][3] - The Federal Aviation Administration (FAA) issued a notice prohibiting U.S. airlines from flying in certain airspace over the Caribbean, resulting in significant disruptions, with approximately 215 flights canceled by JetBlue alone [3][4] - Other airlines, including United Airlines and Southwest Airlines, adjusted their schedules and canceled flights due to the airspace closure, with American Airlines and Delta Airlines offering fee waivers for affected travelers [3][4] Group 2 - The American Automobile Association estimated that over 122 million Americans would travel during the holiday season, with many still vacationing in the Caribbean despite the disruptions [4] - The FAA's flight ban does not apply to non-U.S. airlines, but some international carriers, such as WestJet and KLM, canceled flights for safety reasons [4] - The flight disruptions also impacted travelers booked on Caribbean cruise itineraries, with Virgin Cruises offering full credit for future travel to those unable to reach their cruise departure point in Puerto Rico [4]