Network Operations Report - May 2016

13 June 2016

Traffic in May 2016 increased by 3.0% compared to May 2015 and it was the highest May traffic level since 2001. Sixteen states contributed most to the growth of local traffic in Europe and together added 1,600 daily flights to the network. UK was the top contributor with a record high of 350 extra daily flights thanks to a solid increase in its international arrivals/departures, boosted by the half-term holiday.

Total ATFM delays increased by 23.5% in May 2016 compared to May 2015. En-route ATFM delays increased by 44.1%; airport ATFM delays increased by 3.2%.

Highlights include:

  • French industrial action on 19 May and on 26 May resulted in delays for Brest, Reims, Paris and Bordeaux ACCs and neighbouring ACCs reported knock-on delays; NM estimates there were 1700 fewer flights during the actions;
  • Stockholm and Malmo ACCs recorded en-route disruptions delays due to communication systems failure on 19 May;
  • En-route weather generated delays in Maastricht, Karlsruhe and Paris ACCs;
  • Seasonal weather (fog, strong winds, rain, thunderstorms) impacted operations particularly at Amsterdam/Schiphol, Istanbul/Ataturk and London/Heathrow airports;
  • Aerodrome capacity issues generated delays at Istanbul/Sabiha Gökcen airport, and to a lesser extent Istanbul/Ataturk and Amsterdam/Schiphol airports;
  • Brussels ACC recorded delays due to several ATC staffing issues during the month;
  • En-route ATC capacity delays in Brest, Maastricht and Bordeaux ACCs;
  • Prestwick ACC carried out iTEC/Common work station implementation project;
  • A-CDM implementation at Milan/Linate airport on 3 May.

The average en-route delay per flight in NM areaiin May 2016 was 0.88 min/flt, which was above the monthly guideline value[i] of 0.48 min/flt. The average YTD en-route ATFM delay per flight in 2016 in the NM area is 0.69 min/flt which is double the corresponding guideline value of 0.32 min/flt.


The monthly Network Operations Report overview provides a high level view of the performance of the European ATM network, whilst the analysis provides a detailed view. To stay up-to-date on the latest network performance, subscribe to the Network Operations monthly report.

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