(CNN) — More than 1,600 flights have been canceled in the US this Wednesday as a winter storm sweeps through the country.
As of 8:00 PM ET on Wednesday, a total of 1,640 flights in and out of the United States had been canceled, according to flight tracking site FlightAware.
SkyWest, a regional airline that partners with United, Delta, American and Alaska Airlines, has canceled more than 350 flights. Delta and Southwest canceled more than 250 flights.
More than 5,000 flights were delayed this Wednesday.
Minneapolis-St. Paul International Airport, Denver International Airport and Wayne County Metropolitan Airport for Detroit were hit hard, FlightAware said. Toronto Pearson International Airport, Chicago O’Hare International Airport and Milwaukee Mitchell International Airport in Canada also faced disruption in their operations.
More than 400 flights for this Thursday were already canceled in advance for Wednesday.
Southwest Airlines offers winter weather discounts to a dozen airports.
After winter weather watches were issued for 29 states, including California, Minnesota and Maine, aviation was disrupted as part of the three-day storm, with severe ice, bitter cold and sleet warnings.
The Minneapolis, Minnesota area is at risk of at least 15 inches (38 centimeters) of snow, and the National Weather Service (NWS) in the Minneapolis-St. Paul metropolitan area warned that the powerful storm “will have an impact.” Widespread accumulation of snow, mainly snow Wednesday through Thursday.”
“Significant travel disruptions are expected from this storm, especially during the second stage Wednesday afternoon through Thursday. Minor side streets and roads/roads in open areas will be impassable until Friday,” the NWS said.
CNN’s Aya Elamroussi also contributed to this article.
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