More Than 6,000 Flights Canceled Due to Massive Winter Storm CheapOair Staff February 1, 2011 general With a major snowstorm about to cover much of middle America., airlines have decided to cancel thousands of flights in order to avoid mass travel chaos around the United States. As of this post, more than 6,000 flights were canceled with more scheduled to be axed come Wednesday. As we reported earlier, an icey conditions shut down Dallas-Fort Worth International Airport for roughly two hours Tuesday morning. One runway opened opened up later in the day. However a spokesman for American Airlines said the carrier is not running at full capacity since high winds have made it dangerous for de-icing the rest of the airport’s runways. Meanwhile another busy airport, O’Hare in Chicago, has seen delays upwards of two hours as well. A spokeswoman for United Airlines said an estimated 300 flights will be canceled in the Windy City starting Wednesday afternoon as heavier amounts of snow arrive.