An animation by NATS, the UK air traffic control service, maps the 2-3,000 aircraft flying across the North Atlantic every day.
The video above shows the 2,524 flights that travelled between Canada, the US and Europe on a single day in August 2013.
More top news
Cloud and rain will continue to spread across Northern Ireland and Scotland through the day. The rain will be accompanied by a strong wind.
Two Birmingham men have been found guilty of funding Brussels airport bombing suspect Mohamed Abrini - known as "the man in the hat".
The actor was best known for his role as Maester Aemon in the TV hit and sitcom Porridge.