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.
#Delta airlines ontime performance code
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.For major airlines in North America, Cirium considered the top 20 percent based on ASKs, flights and seats. For the global airlines category, the company considered the top 10 percent of all passenger airlines by capacity and volume criteria-available seat kilometers, flights and seats-and the airline also must serve at least three regions. airports to make the top 10 were Detroit Metropolitan Wayne County Airport and Salt Lake City International Airport.Ĭirium used data from more than 600 global sources between June 1 and Dec. Tokyo's Haneda Airport had the highest percentage of on-time departures among international airports, followed by Sheremetyevo International Airport, Chengdu Shuangliu International Airport, Barcelona-El Prat Airport and Minneapolis-St. Globally, Delta came in fifth, with ANA taking the top spot with 95 percent of 2021 arrivals on time.
Alaska Airlines, American Airlines and United Airlines followed, each with on-time arrival percentages at 80 percent or higher. Delta Air Lines had the best on-time performance among major North American carriers in 2021, with 87.8 percent of flights arriving within 15 minutes of the scheduled arrival time, according to airline data analytics supplier Cirium's annual report, released Wednesday.
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