In the 3 months of summer 2024 (June, July and August), traffic in the European aviation network was 4.8% up compared to the same three months of 2023, with an average of 34,042 flights per day. Several air traffic control centres (ACCs) faced traffic increases that were significantly higher than the European average – in particular in the south-east of Europe, which was affected by changing traffic patterns as a result of Russia’s full-scale invasion of Ukraine, as well as by geopolitical tensions in the Middle East. These included Tirana ACC (Albania), which was 20% busier than 2023, Rome ACC (Italy, +18%), Zagreb ACC (Croatia, +12%), Prague ACC (Czech Republic, +11%), Padua ACC (Italy, +11%), Belgrade ACC (Serbia & Montenegro, +10%), Bratislava ACC (Slovakia, +10%) and Ljubljana ACC (Slovenia, +10%). (....)