Airlines canceled more than 1,800 U.S. flights Tuesday as winter weather continued to disrupt travel for millions of travelers. Airlines canceled or delayed about 60% of flights at New York's LaGuardia Airport. At nearby Newark Liberty International Airport, a hub for United , more than 35% of flights were canceled or delayed. Reagan Airport saw more than 40% of its flights canceled or delayed. Alaska canceled more than 15% of its flights Tuesday, while United canceled about 12%.

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Persons: Washington's Ronald Organizations: Denver International Airport, Airlines, D.C, U.S, National Weather Service, Washington's Ronald Reagan National Airport, LaGuardia, Newark Liberty International Airport, United, Reagan, Southwest Airlines, Boeing, Max, Alaska Airlines, CNBC PRO Locations: Denver , Colorado, U.S, New York, Washington, New, Alaska