Aviation

ACI World calls for overhaul of global airport slot system as capacity nears limits

Based on · First reported

  • ACI World says the global airport slot system needs reform and modernization, urging governments to embed airport capacity growth in national infrastructure and economic plans.
  • The body notes that 85.5% of large airports are operating at or near full capacity and that current slot allocation rules are five decades old, while global passenger traffic is expected to double by 2047 from the 9.8 billion recorded in 2025 and grew 0.6% in the first half of 2026 to 4.7 billion.

Why it matters

Updating slot policies could help accommodate the projected surge in passenger numbers and alleviate capacity constraints at heavily used airports.

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