Check-in counters at Terminal T4 of Adolfo Suárez Madrid-Barajas Airport, on March 30, 2026, in Madrid (Spain). A Spain-based company engaged in the airports operation Aena's airport network expects to handle 70,505 flights between this Friday and April 6, whilst facing an indefinite strike by Groundforce affecting 12 key airports, according to media reports. Photo: VCG