DETROIT — Detroit’s main airport has been shut down as a major snowstorm crawls across the region.

The National Weather Service issued weather advisories and warnings Wednesday across several northern U.S. states, from the Dakotas to Michigan and much of the Northeast.

Crews are working to reopen Detroit Metropolitan Airport, which closed late Tuesday and stranded travellers amid icy conditions.

In Indiana, 51 passengers had to get off a plane after it slid on ice and stopped in a snowbank at Fort Wayne International Airport. No one was injured.

Meanwhile Air Canada and WestJet are waiving change fees for travel today, Jan. 23, to several airports in Ontario and Quebec due to winter weather. On Air Canada’s list are Comox, North Bay, Montreal, Ottawa, Rouyn-Noranda, Val D’Or, Sault Ste. Marie, Sudbury and Toronto (YYZ and YTZ). WestJet’s list includes gateways in southern Ontario, Montreal and the east coast.

With files from The Associated Press