Network Operations Report – April 2019

16 May 2019

Traffic in April 2019 increased by 1.4% compared to April 2018 and was aligned with the baseline forecast. Ten states added more than 50 flights daily to the network with France, Spain and Italy as the top contributors.

En-route ATFM delays (32,447 min/daily) increased by 1.0% and airport ATFM delays (13,757 min/daily) increased by 4.3% compared to April 2018.

There were, on average, 757 daily flights with an en-route ATFM delay of at least 15 minutes (+7.1% compared to April 2018).

Highlights include:

Lisbon airport became a fully operational A-CDM airport on 16 April. Lisbon is the third A-CDM airport connected to the network via B2B.


  • High en-route capacity delays in Karlsruhe UAC;
  • High ATC staffing delays in Marseille and Brussels ACCs;
  • ATC industrial action in Budapest on 17 April;
  • Implementation of new ATM system in Bucuresti ACC.


  • Strong winds impacted operations strongly at Lisbon airport;
  • Aerodrome capacity issues and familiarisation with the new electronic flight strips at Amsterdam/Schiphol airport generated high delays.

The average en-route ATFM delay per flight in the NM areai in April was 1.07 min/flt, which is well above the corresponding monthly guidelineii value of 0.32 min/flt. The average YTD en-route ATFM delay per flight in 2019 in the NM areai is 0.71 min/flt which is three times the corresponding guideline of 0.20 min.

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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