Nov 26, 2013 4:14 PM by David Randall
Winter weather is on a collision course with the busiest days of the holiday travel season.
It's already walloped parts of Oklahoma and Arkansas and led to the cancellation of nearly a thousand flights in Dallas.
With storms moving up and down the east coast, travelers are keeping a close eye on conditions.
Three million people are expected to move through the nation's airports this week, with Wednesday and Sunday ranking as the busiest days, and of the 43-million traveling in the next few days, 90 percent will be driving.
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