KLM is experiencing a major disruption at Schiphol as a result of technical failure at Air Traffic Control The Netherlands (LVNL). So far, 25 European return flights have been cancelled. At the same time, KLM is struggling with major delays resulting from the disruption. We advise our customers to check KLM.com for the latest information concerning arrival and departure times. KLM regrets the inconvenience this is causing our passengers.