An Allegiant passenger jet skidded off a snowy runway in South Dakota on Sunday, the airlines said, but there were no injuries.
Allegiant spokeswoman Krysta Levy said Flight 456 carrying 155 passengers and six crew members from Las Vegas touched down at Sioux Falls Regional Airport just before noon when heavy snow and crosswinds caused the McDonnell Douglas MD-80 to slide 20 feet off the runway.
Levy said passengers walked down the plane's rear stairs and were taken by buses to the terminal.
Maintenance workers were inspecting the jetliner. Levy said the plane came to rest with its front wheels in a patch of grass, and remained upright and level.
She said the return flight to Las Vegas was canceled because of deteriorating weather in Sioux Falls.
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