Security: Delays or cancellations caused by evacuation of a terminal or concourse, re-boarding of aircraft because of security breach, inoperative screening equipment and/or long lines in excess of 29 minutes at screening areas. ![]() 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.
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