Flights are cancelled

Flights to several American destinations from the Edmonton International Airport have been cancelled.Airport officials say weather problems prevented planes from arriving in Edmonton Tuesday night.

Cancellations include Air Canada and United Airlines to San Francisco, U.S. Airways to Phoenix, both Air Canada and United Airlines flights to Denver, Horizon Air to Seattle and Air Canada and United Airlines flight to Chicago.Air Canada and Continental Airlines to Houston has been delayed by four hours.Most domestic flights appear to be departing and arriving close to normal times.