Network Operations Report – June 2017

13 July 2017
Update: record day on 30 June with 35,937 flights.

Traffic in June 2017 increased by 5.1% compared to June 2016 and was above the high forecast. There were 35,937 flights on 30 June, which is a record for the network. Traffic has shown continuous growth since November 2015. Thirteen states contributed most to the European local traffic growth, with Spain, UK and Turkey as the top contributors. Turkey is back in the top 3 for the first time in 15 months. Strong growth is expected to continue over summer.

Total ATFM delays decreased by 24.8% in June 2017 compared to June 2016. En-route ATFM delays decreased by 25.0% but note that en-route ATFM delays were relatively high in June 2016 due to industrial action in France and weather. Airport ATFM delays decreased by 24.4%.

Highlights include:


  • En-route weather impacted several ACCs, especially Maastricht, Karlsruhe and Marseille ACCs;
  • En-route ATC capacity issues in Maastricht, Karlsruhe, Marseille, Brest, Bordeaux and Barcelona ACCs;
  • Delay in Maastricht ACC due to trials of New Voice Control System (NVCS).


  • A-CDM implementation at Stockholm/Arlanda airport on 08 June;
  • Seasonal weather impacted London/Heathrow, Amsterdam/Schiphol, Frankfurt , London/Gatwick, and Zurich airports;
  • Capacity issues at Amsterdam/Schiphol, London/Gatwick and both Istanbul airports.

The average en-route ATFM delay per flight in the NM areaii in June was 1.35 min/flt, which is above the corresponding monthly guidelineiii value of 0.81 min/flt. The average YTD en-route ATFM delay per flight in 2017 in the NM areaii is 0.64 min/flt, which is above the corresponding guideline value of 0.41 min/flt. 12.9% of en-route delays this year are due to disruptions, such as industrial action.

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. Download previous network performance reports.

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i Internals, international departures and arrivals, excluding overflights.
ii See notice on page 4 for more information about NM area
iii NM’s calculation that provides the guideline en-route delay (min) requirements to achieve the annual target (0.5 min/flight).

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