The UK-based air traffic control company have said the current delays at UK airports are due to difficulties switching from night time to daytime operations, and engineers are currently working to rectify the problem.
A NATs statement read: "Due to a technical problem at Swanwick we are currently experiencing some difficulty switching from night time to daytime operation.
"This may result in some delays for which we apologise. Engineers are working to rectify the problem as soon as possible."
More top news
Ferry services from Calais have resumed after a blockade by former French ferry workers left Britons facing long delays at the port
US horror filmmaker Wes Craven, best known for A Nightmare on Elm Street and the Scream movies, has died at the age of 76, his family said
Jeremy Corbyn has been criticised for calling Osama Bin Laden's killing 'a tragedy' rather than being put on trial.