Issue of Unknown Origin
Air travelers across the E.U. contended with flight delays, cancellations, and the uncertainties occasioned thereby when technical difficulties rendered the United Kingdom’s Air Traffic Control (ATC) system largely unusable on Monday, 28 August 2023. In a statement, Britain's National Air Traffic Service (NATS) set forth a technical issue had restricted the flow of aircraft in and out of the U.K., thereby inducing the delay or cancellation of at least five-hundred flights.