Winter storms are causing widespread travel chaos across the United States, impacting both coasts during the busy holiday season. The Midwest was initially hit hard by snow and rainstorms, and now the severe weather is moving eastward, threatening major disruptions in the Northeast, including New York, New Jersey, and Pennsylvania. Major airports are experiencing significant delays and cancellations, with over 1,800 flight delays and more than 600 cancellations reported as of Saturday morning.