Major Roads Still Closed After Winter Storm Xylia Buries Wyoming, Colorado The Weather Channel 3/16/2021 Ron Brackett From Cheyenne to St. Paul, residents continue to dig out from the mess left by Winter Storm Xylia. Over the past three days, tens of thousands of homes and businesses lost power, thousands of flights were canceled and icy interstates saw hundreds of crashes and stranded motorists. Operations at Denver International Airport are still ramping up after the airport reopened four of its six runways Monday afternoon. More than 75 flights scheduled for Tuesday have been canceled, according to flightaware.com, as airlines get back on schedule. Over 3,000 flights were canceled Saturday through Monday.