Network Operations Report – June 2018

13 July 2018

Traffic in June 2018 increased by 4.1% compared to June 2017 and was in line with the high forecast. The last week of June was the busiest ever week for the network, with a record of 36,825 flights on Friday 29 June. Twelve states added more than 50 flights daily to the network with Turkey, Greece and Germany as the top contributors.

Total air traffic flow management delays increased by 110.1% in June 2018 compared to June 2017. En-route ATFM delays (111,008 min/daily) increased by 150.2% mainly due to ATC capacity, staffing, weather and industrial action. Airport ATFM delays (23,926 min/daily) increased by 20.4% mainly due to weather and aerodrome capacity. The average daily flights with an en-route ATFM delay of at least 15 minutes increased by 158.3% compared to June 2017. All weekend days, with one exception, had ATFM delay/flight over 5 minutes.

Highlights include:


  • 800,000 minutes of weather delays throughout the central area of the network in the first part of the month and particularly in Karlsruhe UAC;
  • Over 400,000 minutes of delay due to ATC industrial action in Marseille ACC;
  • High ATC capacity delays in Karlsruhe UAC;
  • ATC staffing issues in Marseille, Maastricht and Reims ACCs.


  • Seasonal weather impacted operations at Frankfurt/Main and Amsterdam/Schiphol airports;
  • There were capacity issues at Lisbon, London/Gatwick and Amsterdam/Schiphol airports..

The average en-route ATFM delay per flight in the NM areai in June was 3.25 min/flt, which is well above the corresponding monthly guidelineii value of 0.92 min/flt. The average YTD en-route ATFM delay per flight in 2018 in the NM areai is 1.49 min/flt which is more than three times the corresponding guideline value of 0.40 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.


Network Manager Operational Performance team

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