**A Wake-Up Call for European Aviation Infrastructure** At the annual ACI Europe congress in Prague (June 22–24), over 500 airport leaders confronted a sobering reality: the post-pandemic traffic rebound is not translating into financial stability. Olivier Jankovec, Director General of ACI Europe, stressed that "recovery is not the same as resilience," highlighting a widening gap between traffic volumes, profitability, and investment needs. Only about 60% of European airports have regained their 2019 passenger numbers, with regional airports lagging behind. Growth is concentrated on leisure-driven, immature markets fueled by ultra-low-cost carriers, while network airlines consolidate around hubs rather than expanding routes. **A Multi-Speed Market and Shifting Power Dynamics** The airport industry is now a "multi-speed" market, where airlines hold increasing bargaining power. Low-cost carriers selectively expand point-to-point services, bypassing traditional hub-and-spoke models. This intensifies competition among airports to retain or attract capacity, squeezing revenues and investment capacity—especially for regional airports dependent on a few carriers. The risk is a downward spiral where insufficient traffic, tariff constraints, and environmental/regulatory investments become irreconcilable. **Financial Recovery in 2025: Fragile Gains** European airports posted a net profit of €11.8 billion in 2025 (€4.5 per passenger) on total revenues of €63.8 billion (+11% year-on-year). Non-aeronautical revenues (retail, parking, real estate) grew 14%, helping per-passenger revenue slightly exceed pre-crisis levels in real terms. However, total costs rose 9%, driven by a 12% increase in capital costs due to inflation and higher infrastructure financing. Jankovec noted that "the financial recovery has been hard-won," with airports operating in a more difficult environment of rising costs, multiplying risks, and uncertain returns on investment. **The 'Great Decoupling': Reinventing the Growth Model** ACI Europe, in collaboration with Boston Consulting Group, introduces the concept of the "Great Decoupling"—the need to separate airports' financial viability and investment capacity from mere traffic growth. The old virtuous cycle (more passengers → more revenue → more investment → more connectivity) is no longer reliable. The report estimates that between €45 and €75 billion in EBITDA could be lost over the next 20 years without corrective action, while cumulative investment needs reach €360 billion by 2040 for infrastructure modernization, cybersecurity, digitalization, and decarbonization. **Implications for ATPL and ATC Students** This structural shift will reshape the operational environment for pilots and controllers. Expect more congested hubs, evolving slot allocation rules, and increased pressure on airport capacity management. Understanding these economic drivers helps future aviation professionals anticipate changes in route networks, airport procedures, and regulatory frameworks—key knowledge for ATPL exams and real-world decision-making.