Figure 1: Air Segments on Which all Flights Departing From a Major Airport Were Canceled: Feb, 10, 2010

NOTE: Segments on the same air route are considered separately. For example, the air route from EWR to LAX and from LAX to EWR is treated as two separate segments.

SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, Airline On-Time Performance Database, February 2010