Traffic development
DFS air traffic controllers handled exactly 3,211,771 flights under instrument flight rules. This represents an increase of 3.3 percent over the previous year.
Controlled flights basically mean more or less all scheduled, charter and cargo flights. They are guided by air traffic control from the moment they take off until the moment they land.
| Year |
(in millions) | Compared with preceding year |
| 2017 | 3.212 | +3.3% |
| 2016 | 3.109 | +2.6% |
| 2015 | 3.029 | +1.6% |
| 2014 | 2.980 | +0.9% |
| 2013 | 2.953 | -1.4% |
| 2012 | 2.994 | -2.2% |
| 2011 | 3.060 | +3.0% |
| 2010 | 2.971 | +1.5% |
| 2009 | 2.927 | -7.1% |
| 2008 | 3.149 | +1.1% |
