Network Operations Report - July 2019

Traffic in July 2019 increased by 0.9% compared to July 2018 and was aligned with the low forecast published in February 2019.

Eight states added more than 50 flights daily to the network with Italy, Spain and France as the top contributors.

En-route ATFM delays (112,912 min/day) decreased by 16.5% and airport ATFM delays (28,984 min/day) increased by 14.4% compared to July 2018.

There were 320,215 minutes of ATFM delay on Saturday 27 July. The network has only experienced more delay on industrial action days.

There were, on average, 2,697 daily flights with an en-route ATFM delay of at least 15 minutes (-19.9% compared to July 2018).



  • Convective activity impacted operations strongly in Marseille, Vienna and to a lesser extent in Karlsruhe, Budapest and Zagreb ACCs;
  • ATC capacity issues due to high demand in Vienna, Zagreb and Barcelona ACCs;
  • High staffing delays in Marseille, Karlsruhe and Budapest ACCs.


  • High delays at Athens airport despite an overall increase in ATC Capacity in both Airport and TMA to meet the demand;
  • Capacity delays at Lisbon airport due to military activity in the vicinity of the airport;
  • Aerodrome capacity issues at Amsterdam/Schiphol generated high delays.

The average en-route ATFM delay per flight in the NM area in July was 3.20 min/flt, which is well above the corresponding monthly guideline value of 1.09 min/flt. The average YTD en-route ATFM delay per flight in 2019 in the NM area is 1.64 min/flt which is three times the corresponding guideline of 0.52 min.


Network Operations Report July 2019 - Overview
Network Operations Report July 2019 - Analysis