Air Traffic Control outage causes flight disruptions across airports: Media sources on July 30 report that a major air traffic control outage at Sanwick caused significant flight disruptions across airports in the United Kingdom on the same day. The affected airports include London Heathrow Airport (IATA: LHR), where 308 flights were delayed and 32 were cancelled on July 30, Edinburgh Airport (IATA: EDI), Stansted Airport (IATS: MAG), and Manchester Airport (IATA: MAN). Authorities restored the system within 20 minutes of the outage, and departures resumed at the affected airports. Expect flight delays due to the incumbent backlog.