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Database Name: Airline On-Time Performance Data
   Database Profile
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Table NameDescription
Note: Over time both the code and the name of a carrier may change and the same code or name may be assumed by a different airline. To ensure that you are analyzing data from the same airline, TranStats provides four airline-specific variables that identify one and only one carrier or its entity: Airline ID (AirlineID), Unique Carrier Code (UniqueCarrier), Unique Carrier Name (UniqueCarrierName), and Unique Entity (UniqCarrierEntity). A unique airline (carrier) is defined as one holding and reporting under the same DOT certificate regardless of its Code, Name, or holding company/corporation. US Airways and America West started to report combined on-time data in January 2006 and combined traffic and financial data in October 2007 following their 2005 merger announcement. Delta and Northwest began reporting jointly in January 2010 following their 2008 merger announcement. Continental Micronesia was combined into Continental Airlines in December 2010 and joint reporting began in January 2011. Atlantic Southeast and ExpressJet began reporting jointly in January 2012. United and Continental began reporting jointly in January 2012 following their 2010 merger announcement. Endeavor (9E) operated as Pinnacle prior to August 2013. Envoy (MQ) operated as American Eagle prior to April 2014. Southwest (WN) and AirTran (FL) began reporting jointly in January 2015 following their 2011 merger announcement. American (AA) and US Airways (US) began reporting jointly as AA in July 2015 following their 2013 merger announcement. Alaska (AS) and Virgin America (VX) began reporting jointly as AS in April 2018 following their 2016 merger announcement.
Marketing Carrier On-Time Performance (Beginning January 2018)Marketing carriers market flights for themselves and, in some cases, for regional code share partners. Table shows on-time data for the marketing carrier network, if applicable, the marketing carrier that is the reporting carrier and the marketing carriers code-share affiliates as a group. Reporting carriers that do not market flights are included in the regional code share group. Table shows: on-time arrival and departure data for non-stop domestic flights by month and year, by marketing network, marketing carrier that reports and regional code-share group, by origin and destination airport. Includes scheduled and actual departure and arrival times, canceled and diverted flights, taxi-out and taxi-in times, causes of delay and cancellation, air time, and non-stop distance. Use Download for individual flight data.
Table Profile Carrier Release Status Download
Reporting Carrier On-Time Performance (1987-present)Reporting carriers are required to (or voluntarily) report on-time data for flights they operate: on-time arrival and departure data for non-stop domestic flights by month and year, by carrier and by origin and destination airport. Includes scheduled and actual departure and arrival times, canceled and diverted flights, taxi-out and taxi-in times, causes of delay and cancellation, air time, and non-stop distance. Use Download for individual flight data.
Table Profile Carrier Release Status Download
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