Due to a cyber attack on Friday evening at the external service provider of check-in and boarding systems, that must be done manually at Brussels Airport. The situation has not been resolved on Saturday morning. Ten flights have been canceled for the time being and fifteen flights are delays of one hour or more. TUI makes four flights leave from Ostend.
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Long queues in Brussels Airport due to cyber attack, for the time being canceled 10 flights
Bytaketonews
Sep 20, 2025