The annual meeting of the World Economic Forum (WEF), taking place in Davos next week, will result in significantly more traffic at Zurich Airport: the airport is expecting around 1,000 additional flight movements. In some cases, take-offs and landings will also be possible after 11:30pm. +Get the most important news from Switzerland in your inbox Air traffic at Zurich Airport is increasing before, during and after the conference: in addition to business jets and state aircraft, more political and security-related helicopters are also in use, according to a statement by Zurich Airport on Tuesday. The airport does not provide any specific information on the WEF participants travelling via Zurich. Images show that a US military transporter landed at Zurich Airport on Sunday evening. US President Donald Trump is due to attend the WEF. + Swiss army deploys to World Economic Forum Late flights also possible Around 1,000 additional flights are expected at Zurich Airport during the WEF.