Breadcrumb Newsroom Thick fog may cause delays to air traffic Article published 5.4.2018 at 12:48 Archived 5.4.2018 at 16:40 Low visibility at Helsinki Airport affects air traffic on Thursday. Arriving air traffic might be delayed. Departing passengers and people who are picking up passengers at the airport are asked to check real-time flight status on our website. Discover more Sign up for our newsletter to discover more news from our airports. Subscribe