WASHINGTON, Dec 23 (Reuters) - Airline cancellations topped 5,700 U.S. flights on Friday as massive winter storms snarled airport operations around the United States and frustrated tens of thousands of holiday travelers.
That followed nearly 2,700 canceled flights on Thursday, while just over 1,000 flights have already been canceled for Saturday, according to flight tracking website FlightAware.
The Federal Aviation Administration (FAA) imposed ground stops or delays for de-icing at a number of U.S. airports because of winter weather.
Another 10,400 U.S. flights were delayed on Friday - including more than 40% of those operated by American Airlines (AAL.O), United Airlines (UAL.O), Delta Air Lines (DAL.N) and Southwest Airlines (LUV.N) - after 11,300 flights were delayed Thursday.
Southwest canceled 1,238 flights on Friday, 29% of all its scheduled flights, while Alaska Airlines (ALK.N) canceled 507, or 64%, of its flights.