On Sunday alone, more than 1,000 U.S. flights and more than 2,500 international ones were canceled.On Sunday alone, more than 1,000 U.S. flights and more than 2,500 international ones were canceled.Airlines and Airplanes, Coronavirus Omicron Variant, Coronavirus (2019-nCoV), Delays (Transportation), Alaska Airlines, American Airlines, Delta Air Lines Inc, JetBlue Airways Corporation, Southwest Airlines Company, United AirlinesRead More
