The closure of the Belgian airspace from 09:30 to 13:00 today affected thousands of passengers.
At the airports of Zaventem and Charleroi, a total of 100 flights were cancelled, in addition to the many flights whose take-off or landing were delayed.
Many flights in Brussels Airport Zaventem are delayed until 13:00, at which time the airspace must reopen. However, the airport is expecting delays to last until the evening, according to a spokesperson.
Brussels Airlines is considering taking legal action against Skeyes.