Turkey has firmly established itself as a global aviation hub, with its airports now boasting an annual capacity of over 397.4 million passengers—surpassing the combined population of 26 European Union member states. This milestone, announced by Turkish Minister of Transport and Infrastructure Abdulkadir Uraloğlu in April 2026, reflects a quarter-century of strategic investment in aviation infrastructure. **From 55 Million to Nearly 400 Million Passengers** The country's airport capacity has multiplied more than sevenfold since 2002, when it stood at just 55 million passengers per year. Terminal space has expanded from 541,000 square meters to 4.1 million square meters, equivalent to several large terminals combined. Passenger traffic has followed suit, growing from 34 million to 247.1 million annually. In 2025, Turkish airports handled 247.16 million passengers, with daily traffic rising from 92,000 to 677,000—a sevenfold increase that has forced a complete overhaul of passenger flow, resource allocation, and security procedures. Aircraft movements exceeded 2.5 million in 2025, with December alone seeing 189,376 movements, up 9.3% year-on-year. **Network Expansion and Hub Strategy** The number of airports in Turkey has grown from 26 to 58, easing congestion at major hubs like Istanbul, Izmir, and Antalya while improving access to provincial cities and tourist destinations. Istanbul Airport handled 84.4 million passengers in 2025, while Sabiha Gökçen reached 48.4 million. Coastal resorts such as Antalya, Dalaman, and Bodrum have also seen significant growth. Turkey now ranks 7th globally and 3rd in Europe for total passenger traffic, up from 18th and 7th respectively. The fleet has expanded from 626 to 2,218 aircraft, including 800 wide-body jets, with seat capacity rising from 25,000 to over 157,000. Cargo capacity has grown from 303 tonnes to 2,903 tonnes, with annual freight reaching 5.15 million tonnes in 2025. **Turkish Airlines and Global Connectivity** Turkish Airlines now serves 356 international destinations, up from 60, and Turkey has signed air transport agreements with 175 countries, an increase of 94. This expansion, combined with infrastructure investments, positions Turkey as a crossroads between Europe, the Middle East, Africa, and Asia. For aviation students, this case study illustrates the dynamics of hub-and-spoke networks, capacity planning, and the operational challenges of managing rapid growth in air traffic.