The work stoppage called by the Union of Air Traffic Controllers (USCA) is scheduled to take place on Monday, Wednesday, Friday and Sunday between two blocks of time: 0800-1000 GMT and 1600-1800 GMT.

The move could disrupt flights to and from Spain at the peak of the tourist season. According to ENAIRE, Spain‘s air navigation regulator, the strike could cause major traffic disruptions and affect at least 5,355 flights in the world‘s third most visited country.