Breadcrumb Newsroom Thick fog slows down air traffic Article published 19.2.2016 at 14:22 Archived 3.12.2019 at 02:00 Due to thick fog there is low visibility at Helsinki Airport. This is why the pace of arrivals is slower than normally. Arriving air traffic will be delayed. This may cause delays also for departing flights during the evening.According to the latest weather forecast the fog will disappear at 6:00 pm. Follow your flight status on our home page: Departing flights Arriving flights Discover more Sign up for our newsletter to discover more news from our airports. Subscribe