Airlines have canceled hundreds of flights, as a huge swath of the US braced for a major winter storm. Airlines canceled more than 1,000 flights in the US scheduled for Wednesday. In an effort to stay ahead of the weather, Southwest Airlines announced Tuesday that it would suspend all of its flight operations Wednesday at St. Louis Lambert International Airport and Thursday at its Dallas Love Field hub.

Chicago O’Hare International Airport also canceled more than 100 departing flights, and airports in Kansas City and Detroit were also canceling more flights than usual.

In Oklahoma, it is declared a statewide state of emergency as the winter storm approaches. The declaration would remain in effect for seven days.

By Tuesday afternoon, St. Louis Lambert International Airport had cancelled 120 scheduled Wednesday departures. Kansas City also was cancelling more flights than usual for Wednesday.

Tuesday afternoon Will Rogers World Airport announced that Delta Airlines had canceled all of the company’s morning flights out of the airport Wednesday. The airport also announced American Airlines had canceled all of the company’s overnight flights and would not resume its schedule until 8 a.m. Wednesday.

Flights in and out of Indianapolis International Airport are being canceled ahead of the winter storm approaching the state.
More than a 100 flights for Wednesday have been canceled at Denver International Airport. Airlines canceling flights were Southwest, SkyWest, CommutAir, United, American Airlines and Frontier.

Passengers should check their flight status with their airline before going to the airport.