More than 600 flights were canceled or delayed at Denver International Airport on Sunday as light snow continued to fall across the mountains and Front Range and temperatures hovered below freezing across the state.

Flight delays and cancellations are increasing at the Denver International Airport on Friday morning as fog moves into the area.

More than 1,000 flights were canceled, and hundreds of others were delayed Monday after a winter storm blasted a large part of the U.S. with heavy snow and ice.