http://www.bts.gov/cgi-bin/oai/ontime_js.pl
The United States Department of Transportation, Research and Innovative Technology Administration’s Bureau of Transportation Statitics offers this On-Time Statistics Basic Search that allows the user to compare the online records of airlines by destination and origin airports. You can get such data as the average minutes arriving late for specific carriers, the percent of flights cancelled, the percent of flights diverted, and more.
