Network Operations Report - December 2019

Monthly Network Operations Report - cover

The December edition our Network Operations Report is out.

This monthly publication by the EUROCONTROL Network Manager gives an overview and in-depth analysis of the performance of the European ATM network.

Get your in-depth performance analysis of Europe's ATM network

Here’s a quick look at how the network performed in December 2019.

Traffic in December 2019

25,710 flt/day

operated in the EUROCONTROL Network Manager area in December 2019.

0.3 %

traffic decrease compared to December 2018.

Traffic growth

2 States

adding more than 50 flights per day to the network - Poland and Italy.

4 airports

from our top 10 airports list registered positive traffic growth.

En-route ATFM delay


average en-route ATFM delay in min/day

65.5 %

decrease compared to December 2018

651 flt/day

with at least 15 min of en-route ATFCM delay

Average delay per flight

1.18 min/flt

average en-route ATFM delay per flight

0.29 min/flt

monthly delay guideline value.

1.57 min/flt

average YTD en-route ATFM delay per flight in 2019

0.50 min/flt

YTD delay guideline value

Airport delay


average airport ATFM delay in min/day

22.0 %

decrease compared to December 2018

Contributing factors

  • several French ATC industrial actions throughout the month generated high delays in French ACCs such as Marseille, Brest, Paris and Bordeaux;
  • low visibility and strong winds impacted operations at Amsterdam/Schiphol, Lisbon, London/Heathrow and Madrid/Barajas airports;
  • high delay due to ATC capacity in Karlsruhe UAC;
  • staffing shortage in Karlsruhe, Marseille, Reims and Lisboa ACCs.

For a deeper dive in how the network performed in December 2019, download our report’s overview and analysis.


Network Operations Report December 2019 - Overview
Network Operations Report December 2019 - Analysis