At the 2009 Joint Statistical Meeting, Mike and Jay participated in the 2009 Data Expo.  The data set includes commercial flight arrival and departure information from October 1987 to April 2008 for those carriers with at least 1% of domestic U.S. flights in a given year. In total, there is information for over 120 million flights, each with 29 variables related to flight time, delay time, departure airport, arrival airport, and so on. In total, the uncompressed data set is about 12 gigabytes (GB) in size.  Some of the materials produced by our work with this data set can be found here.