Everything we know about today’s flight delays and cancellations

A major air traffic control outage caused hundreds of flights to and from the UK to be cancelled on a bank holiday, resulting in significant travel chaos. The technical fault affected an automated Air Traffic Control system, prompting NATS to manually process flight plans. Though the technical issue was resolved later the same day, over 500 departures and arrivals were reportedly cancelled. It is yet unclear what caused the outage, with suggestions ranging from a software fault to a cyberattack.