Late-arriving aircraft: A previous flight with same aircraft arrived late, causing the present flight to depart late.National Aviation System (NAS): Delays and cancellations attributable to the national aviation system that refer to a broad set of conditions, such as non-extreme weather conditions, airport operations, heavy traffic volume, and air traffic control.Extreme Weather: Significant meteorological conditions (actual or forecasted) that, in the judgment of the carrier, delays or prevents the operation of a flight such as tornado, blizzard or hurricane.maintenance or crew problems, aircraft cleaning, baggage loading, fueling, etc.). Air Carrier: The cause of the cancellation or delay was due to circumstances within the airline's control (e.g.The airlines report the causes of delays in five broad categories: W hat types of flight delays are reported to BTS by the airlines?Īirlines that report monthly numbers of flight delays to the BTS began reporting information on causes of delays in June 2003. In 2021, there are 17 carriers required to report these numbers. The reports cover nonstop scheduled-service flights between points within the United States (including territories) as described in 14 CFR Part 234 of DOT's regulations. Which operating carriers report on-time performance, causes of flight delays causes of flight delays, tarmac times, mishandled baggage, mishandled wheelchairs/scooters and denied boardings?Ĭarriers that have 0.5 percent of total domestic scheduled-service passenger revenue report on-time data and the causes of delay. Marketing carrier networks include carriers that operate flights under their own brands plus any regional code share partners that contract to operate flights under the marketing carrier’s brand. Advisory Council on Transportation Statistics.National Transportation Knowledge Network.National Transportation Library Main - Library.Vehicle Inventory and Use Survey (VIUS).Transportation Statistics Annual Reports.Local Area Transportation Characteristics (LATCH dataset). Government Transportation Financial Statistics.Freight Logistics Optimization Works (FLOW).Statistical Products and Data Main - Statistical 1.Transportation Maps and Geospatial Data.Introduction to Transportation Statistics.Select "Download" after you have completed filtering the data. DepDelay, Canceled) along with any other fields you need, such as origin and carrier. Remember to select performance/summary fields (e.g.Select the boxes for the fields you want.Use the "Filter Year" and "Filter Period" to narrow the date range.Use the "Filter Geography" menu to narrow state of origin/destination.To access multiple fields or search data for a specific flight, click "Download" under the description of the database You can only download one month of data at a time Some fields like tail number and flight number are only available through the "Download" function (Example: UA,DL,WN United,Delta,Southwest) To narrow your search use the "Search the Results" box in the left margin. To export the dataset to Excel, click "Download Results" Tip: we recommend using "Unique Carrier" for your airline field To add more variables select "Crosstabs" from the left margin under "Analysis Type" or click "Time Series" to see multiple years Select "Analysis" next to the field name you want to view To view 1 or 2 fields (such as on-time arrival percentage by carrier and destination airport) or a time series, select the name of the database Please note that there are only a few years available of Marketing Carrier data. Then decide if you want either the Marketing or Reporting Carrier database. Under the main column "Data Library: Aviation" select the 5th dataset "Airline On-Time Performance Data" On the left side under "Data Finder" select "Aviation" for a list of aviation databases Sources of Airline On-Time Statistics There are several ways to access statistics on on-time performance, delays, and cancelations.Īccess monthly Airline On-Time Statistics Press ReleasesĪccess monthly Air Travel Consumer Reports by carrier and airport (including mishandled-baggage statistics)Īccess Airline On-Time Tables (arrival and departure performance rankings)Īccess On-Time Performance - Flight Delays at a Glance by year and monthĪccess Airline On-Time Statistics and Delay Causes
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