Period Area Update rate Last update Source(s) Data
Jan-Sep EUROCONTROL area Quarterly 22-Oct-2018 NM

En-route ATFM delay per flight

EUROCONTROL area

Total en-route delay by reported ATFM delay cause

EUROCONTROL area
Average en-route ATFM delays doubled in 2018 compared to the first nine months in 2017 which gives reason for concern and immediate action.

The main drivers of the substantial increase in 2018 were en route ATFM regulations attributed to ATC Staffing [S], adverse weather [codes W,D], and ATC Capacity [C]. Compared to 2017 there was also a significant increase in ATFM delays (ATC disruptions) due to ATC industrial action in France.

Share of controlled flights delayed by en-route ATFM regulations (%)


Overall, 13.7% of the controlled flights in the EUROCONTROL area were affected by ATFM delays in the first three quarters of 2018. By far the main share (78.2%) were delayed by en-route ATFM regulations. Compared to 2017 (Jan-Sep), the share of flights affected by en-route ATFM delays increased by 4.6 percent points to 10.7%.
At the same time, the share of flights affected by airport ATFM delays decreased slightly from 3.2% in 2017 to 3.0% in 2018 (Jan-Sep).

En-route ATFM delay by ANSP

2018 (Jan-Sep)

Average en-route delay per flight was highest in France (2.13 min), followed by DFS/Germany (1.87 min), Cyprus (1.29 min) and Maastricht Upper Area Control Centre/MUAC (0.95 min).

Horizontal en route flight efficiency in the first three quarters of 2018 remained at the level observed in 2017.