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    • Operational data

    Below you can find a breakdown of some monthly and yearly operational statistics. We also publish more data on our Operational Data website. This site includes data on the number of flights, the number of early morning arrivals and wind direction each day.

    Below is a breakdown of the percentage of time we were on westerly and easterly operations.

    Monthly wind direction

    2020 Westerly % Easterly %
    January 92 8
    February 95 5
     March 70    30

     

    2019 Westerly % Easterly %
    January 89 11
    February 82 18
    March 95 5
    April 23 77
    May 77 23
    June 59 41
    July 74 26
    August 94 6
    September 79 21
    October 71 29
    November 55 45
    December 85 15

     

    2018 Westerly % Easterly %
    January 76 24
    February 60 40
    March 43 57
    April 63 37
    May 37 63
    June 52 48
    July 57 43
    August 95 5
    September 79 21
    October 71 29
    November 43 57
    December 79 21


    Annual wind direction

    Year Westerly % Easterly %
    2000 78 22
    2001 70 30
    2002 69 31
    2003 63 37
    2004 78 22
    2005 72 28
    2006 71 29
    2007 73 27
    2008 73 27
    2009 75 25
    2010 66 34
    2011 71 29
    2012 77 23
    2013 67 33
    2014 70 30
    2015 73 27
    2016 70 30
    2017 81 19
    2018 63 37
    2019 75 25

    Below is a breakdown of the percentage of aircraft that used the designated arrival runway and preferred departure runway.

    Runway adherence

    2020
    		 Arrival adherence % Departure adherence %
    January 94.3 97.8
    February 93.9 95.8
      March 95  98.8

     

    2019
    		 Arrival adherence % Departure adherence %
    January 94.9 98.6
    February 95.9 99.8
    March 95.0 99.1
    April 96.8 99.9
    May 96.2 100.0
    June 96.2 99.9
    July 95.7 99.3
    August 96.0 99.7
    September 95.8 100.0
    October 94.9 99.3
    November 94.4 98.2
    December  96.6  100.0

     

    2018 Arrival adherence % Departure adherence %
    January 92.9 97.2
    February 92.0 96.8
    March 95.8 99.9
    April 95.8 100.0
    May 94.6 99.4
    June 95.5 100.0
    July 95.4 99.0
    August 95.7 99.4
    September 95.6 99.9
    October 95.4 99.8
    November 95.3 99.8
    December 96.3 99.9

    Below is a breakdown of the percentage of aircraft that used the designated arrival runway and preferred departure runway.

    Route usage for westerly operations

    route usage map

    Note: The MAXIT route was formerly the MID route. 

    Monthly route usage for westerly operations

    2020 BPK % CPT % DET % MID % GOGSI % UMLAT %
      January   24 16 21 17 7 16
    February 20 11 26 18 6 19
    March 21 16 25 16 6 17

     

    2019 BPK % CPT % DET % MID % GOGSI % UMLAT %
    January 22 15 27 16 7 13
    February 24 14 26 16 6 15
    March 23 13 25 16 6 15
    April 23 13 22 18 6 18
    May 22 16 23 18 6 15
    June 22 13 24 18 6 17
    July 23 13 22 18 7 17
    August 23 13 23 17 6 18
    September 23 13 24 16 7 17
    October 23 12 24 16 6 19
    November 22 11 25 17 6 20
    December 21 12 28 15 6 18


    Annual route usage for westerly operations

    Year BPK % CPT % DET % MID % GOGSI % UMLAT %
    2005 22 11 23 18 6 20
    2006 23 10 26 16 6 20
    2007 23 11 24 16 7 18
    2008 22 10 26 15 6 21
    2009 22 12 26 17 5 19
    2010 22 13 26 16 6 17
    2011 23 13 26 17 6 16
    2012 22 14 26 17 5 15
    2013 22 14 26 16 5 16
    2014 23 14 26 16 6 17
    2015 22 15 27 16 5 15
    2016 23 16 26 16 5 14
    2017 23 15 25 16 6 15
    2018 23 13 25 16 6 16
    2019 23 13 25 16 6 17

    Route usage for easterly operations

    route usage map - Easterley

    Note: The MODMI route was formerly the MID route. 

    Monthly route usage for easterly operations

    2020 BPK % ULTIB % CPT % DET % MID % GASGU %
      January   24 14 14 25 17 7
    February 23 17 13 27 14 5
    March 22 15 18 24 14 7

     

    2019 BPK % ULTIB % CPT % DET % MID % GASGU %
    January 23 15 13 25 18 7
    February 25 12 17 26 15 6
    March 23 12 16 26 16 7
    April 21 16 15 24 17 6
    May 22 13 18 24 17 6
    June 23 15 16 23 17 6
    July 22 15 16 25 17 6
    August 21 16 12 27 17 7
    September 23 12 17 25 17 7
    October 22 14 16 26 15 7
    November 21 19 11 26 15 7
    December 21 15 16 28 15 6


    Annual route usage for easterly operations

    Year BPK % ULTIB % CPT % DET % MID % GASGU %
    2005 22 19 12 23 18 6
    2006 22 20 11 25 17 5
    2007 24 18 13 24 16 6
    2008 22 19 13 26 15 6
    2009 24 17 14 24 17 5
    2010 23 15 14 24 17 6
    2011 25 15 14 23 17 5
    2012 25 14 16 23 17 5
    2013 25 14 16 23 17 5
    2014 24 15 16 24 15 6
    2015 21 13 17 27 15 5
    2016 23 13 17 27 16 5
    2017 24 15 16 25 16 5
    2018 23 16 15 27 16 4
    2019 22 15 15 25 16 7

    Below is a breakdown of track keeping for westerly and easterly operations. This shows the proportion of departures that operated up to an altitude of 4000ft within the Noise Preferential Routes (NPRs).

    Track keeping for westerly operations

    route usage map

    Note: The GOGSI route was formerly the SAM route. The UMLAT route was formerly the WOB route. The MAXIT was former the MID route.

    Monthly track keeping for westerly operations

    2020 BPK % CPT % DET % MID % GOGSI % UMLAT %
      January   99.6 99.8 96.6 98.7 100.0 99.5
    February 99.3 99.7 95.9 99.3 99.9 99.6
    March 99.7 99.7 97.3 99.0 99.8 99.5

     

    2019 BPK % CPT % DET % MID % GOGSI % UMLAT %
    January 99.3 99.6 94.2 98.1 99.6 99.3
    February 99.7 99.7 97.9 99.3 100.0 98.3
    March 99.5 99.8 95.2 98.9 99.8 99.3
    April 99.8 99.2 96.8 98.9 98.3 99.4
    May 99.1 99.2 96.9 98.3 99.3 99.1
    June 99.5 99.6 97.9 98.4 99.1 99.4
    July 98.8 99.8 96.6 98.0 99.9 98.6
    August 98.7 99.1 97.1 98.4 99.9 98.4
    September 99.3 99.3 97.0 98.3 99.6 99.1
    October 99.1 99.4 97.1 98.4 99.6 99.4
    November 99.6 99.8 96.8 98.3 99.7 99.6
    December 99.2 99.8 96.5 98.8 99.9 99.5



    2018 BPK % CPT % DET % MID % GOGSI % UMLAT %
    January 99.8 100.0 95.6 98.9 100.0 99.7
    February 99.2 99.8 85.3 98.4 99.7 99.8
    March 99.3 99.7 93.6 98.9 100.0 99.5
    April 98.5 99.8 96.8 98.8 100.0 99.5
    May 98.0 99.8 95.7 98.0 98.9 98.7
    June 98.3 99.4 96.2 98.2 99.9 97.4
    July 97.5 99.8 96.2 98.1 97.7 95.9
    August 98.3 99.6 96.3 98.4 99.7 97.4
    September 99.0 97.7 99.8 98.8 99.8 98.2
    October 98.8 99.8 95.1 97.9 99.8 98.9
    November 98.3 99.4 98.1 98.8 100.0 98.5
    December 99.4 99.8 96.2 98.5 99.8 99.5

    Track keeping for easterly operations

    route usage map

    Note: The ULTIB route was formerly the BUZ route. The GASGU route was formerly the SAM route. The MODMI was formerly the MID route.

    Monthly track keeping for easterly operations

    2020 BPK % ULTIB % CPT % DET % MID % GASGU %
      January   99.4 99.0 48.1 99.7 98.8 96.9
    February 100.0 99.4 20.7 100.0 100.0 100.0
    March 99.8 99.7 52.5 99.5 99.1 100.0

     

    2019 BPK % ULTIB % CPT % DET % MID % GASGU %
    January 99.1 98.7 32.5 99.6 98.8 99.3
    February 98.5 97.8 32.7 100.0 99.3 98.9
    March 96.7 100.0 44.5 100.0 99.4 99.8
    April 99.7 99.2 37.2 100.0 99.7 98.8
    May 99.6 99.2 44.1 100.0 99.8 97.8
    June 99.6 98.6 39.7 100.0 99.5 99.2
    July 99.6 98.4 40.5 100.0 99.6 98.5
    August 99.3 100.0 42.2 100.0 100.0 100.0
    September 99.4 99.6 35.2 100.0 99.7 99.3
    October 99.6 99.3 40.9 100.0 99.8 98.7
    November 99.5 99.3 34.0 100.0 99.4 97.9
    December 99.2 98.1 30.7 99.8 98.6 98.3



    2018 BPK % ULTIB % CPT % DET % MID % GASGU %
    January 99.6 99.1 42.9 99.8 100.0 99.4
    February 99.5 99.1 47.9 99.9 99.7 99.8
    March 99.5 98.9 62.5 99.7 99.5 98.6
    April 99.7 98.7 68.4 99.9 99.9 97.9
    May 98.7 98.8 44.7 99.4 99.2 98.0
    June 99.6 99.6 46.7 100.0 99.7 98.9
    July 99.6 99.3 41.2 100.0 99.7 89.0
    August 99.2 98.4 41.0 100.0 100.0 97.6
    September 99.5 99.2 50.1 99.9 99.9 99.6
    October 99.2 99.0 44.3 99.9 100.0 98.2
    November 99.3 98.9 35.7 100.0 99.6 99.2
    December 99.3 97.9 22.4 99.8 98.0 99.5

    Heathrow is legally capped at 480,000 Air Traffic Movements (ATMs) per year. Below is a breakdown of annual flight movements, including scheduled passenger and cargo flights, charter passenger and cargo flights, and government charter flights.

     

    Year Flights Average Daily
    2000 459,698 1,256
    2001 457,644 1,254
    2002 460,303 1,261
    2003 457,027 1,252
    2004 469,763 1,284
    2005 471,986 1,293
    2006 470,786 1,290
    2007 475,713 1,303
    2008 473,139 1,296
    2009 460,026 1,260
    2010 449,220 1,231
    2011 476,197 1,305
    2012 471,341 1,288
    2013 469,552 1,286
    2014 470,695 1,290
    2015 472,067 1,293
    2016 473,231 1,297
    2017 474,033 1,299
    2018 475,624 1,303
    2019 475,874 1,304

    Each year Heathrow commissions annual maps providing information on the number of arrivals and departures by easterly and westerly operations. Four sets of maps are produced and are broken down into the following areas:

    2018
    2017
    2016
    2015
    2014
    2013

    Map information

    Each map contains the following information:
    Number of days 100% easterly/westerly - the number of days Heathrow operated on purely easterly/westerly operations for a whole day. Number of ‘mixed days' - the number of days when there was a mixture of easterly and westerly operations in the same day

    Arrivals
    This information specifically relates to arrivals on the northern (27R/09L) or the southern runway (27L/09R) only – and not the numbers/percentage of aircraft arriving from the north or south of Heathrow. Average daily arrivals- the average number of arrivals that landed on the specified runway (this figure specifically relates to the mode of operation e.g. easterly or westerly operations). Days with no arrivals- the total number of days where no arrivals landed on the specified runway. Total annual arrivals- the total number of arrivals that landed on the specified runway in the given year% of all westerly/easterly arrivals- the % of arrivals that landed on the specified runway as a % of the mode of operation e.g. easterly or westerly operations.

    Departures
    This information for departures is broken down by each of the six departure routes (Standard Instrument Departure routes or SIDs). Average daily departures - the average number of departures using the specified departure route (this figure specifically relates to the mode of operation e.g. easterly or westerly operations)Total annual departures - the total number of departures using the specified departure route in the given yearPercentage of all departures - the % of departures using the specified route as a % of the total number of departures including easterly and westerly operations% of all westerly/easterly departures - the % of all departures using the specified route – specific to the mode of operation e.g. easterly or westerly operations