Thousands of Flights , Canceled, As Winter Storm <br />Landon Hits US .<br />Yahoo reports that 5,000 flights are expected <br />to be canceled in the United States as a massive <br />winter storm hits the Midwest and southern states. .<br />According to Flight Aware, <br />an additional 2,000 flights are expected <br />to be delayed due to winter storm Landon.<br />Airports currently most affected by the storm include: , Dallas Love Field (84% flights canceled), <br />John Glenn Columbus Intl Airport (78% canceled)<br />and Austin-Bergstrom Intl (74% canceled).<br />Yahoo reports that Southwest Airlines <br />has already canceled 27% of its flights, <br />while American Airlines has canceled 19%. .<br />Forecasters have warned of dangerous snow and ice as the 2,000-mile wide storm has already dropped a foot of snow in some areas. .<br />Forecasters have warned of dangerous snow and ice as the 2,000-mile wide storm has already dropped a foot of snow in some areas. .<br />A large, prolonged and significant winter <br />storm will continue to impact much of <br />the central U.S. and move into the Northeast <br />overnight, bringing a variety of winter <br />weather hazards including heavy <br />snow, sleet and freezing rain, National Weather Service, via Yahoo.<br />Yahoo reports that areas affected by heavy snow include: , Chicago, Denver and Albuquerque. .<br />Yahoo reports that areas affected by heavy snow include: , Chicago, Denver and Albuquerque. .<br />According to AccuWeather meteorologists, <br />areas expected to be affected by ice include: , Maine, Memphis, Dallas and areas in between.<br />Experts have warned that people should <br />be prepared for sporadic power outages <br />and dangerous conditions on roads. .<br />Yahoo reports that schools and government <br />buildings have already been closed in some states.