Bureau of Transportation Statistics (BTS)

Airline On-Time Statistics

NOTE: Data are available from January 1995 through October 2008. Times are reported in local time using a 24 hour clock.

The carrier code for ExpressJet Airlines has been changed from RU to XE as of 8/31/2006 for all its usage in this application. This change applies as well to all historical data.

Airline on-time data are reported each month to the U.S. Department of Transportation (DOT), Bureau of Transportation Statistics (BTS) by the 18 U.S. air carriers that have at least 1 percent of total domestic scheduled-service passenger revenues, plus two other carriers that report voluntarily. The data cover nonstop scheduled-service flights between points within the United States (including territories) as described in 14 CFR Part 234 of DOT's regulations. Data are available since January 1995. The following statistics are available:

Note: Tarmac times for cancelled flights, diverted flights at the diversion airport, and those with multiple gate departures have been removed. BTS is reviewing the data reported by carriers for October and the following months. Data will be released when the review is completed.

Summary Statistics - All and late flights (total number, average departure delay, average taxi-out and average scheduled departure) and late flights (total and percent of diverted and cancelled flights).

Detailed Statistics - Departure and arrival statistics (scheduled departure time, actual departure time, scheduled elapse time, departure delay, wheels-off time and taxi-out time) by airport and airline; airborne time, cancellation and diversion by airport and airline.