24-hour strike by air traffic controllers on December 19. Recommended to reconfirm flights with airline if travelling on December 19. Both domestic and international arrivals and departures will be affected. Possible picketing at airports.
http://m.eldiario24.com/nota/307811/controladores-aereos-haran-paro-este-jueves-por-lo-que-no-habran-vuelos-en-el-pais.html