Hundreds of UK flights have been delayed due to an issue at the UK's air traffic control (ATC). There was widespread disruption across UK airspace this morning after an issue at the Met Office meant the National Air Traffic Services (NATS) didn't receive weather information. As a result, Ryanair saw 155 of its flights delayed, impacting almost 30,000 passengers, with delays of up to three hours. EasyJet was hit harder, with 253 flights delayed - 13% of its total number of planned departures today.