The number of slot-restricted, highly congested airports has surged by more than 25% over the past decade, yet the regulatory framework governing these facilities remains largely frozen in time. ACI World argues that these inflexible practices create artificial barriers to connectivity, preventing airports from adapting to current socio-economic needs and passenger expectations.
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ACI World Demands Overhaul of 50-Year-Old Airport Slot Regulations
Aviation regulators are attempting to manage modern global travel using a 1970s operating system, according to Airports Council International. The trade group warns that antiquated slot allocation rules are stifling market competition and failing to accommodate a projected doubling of passenger demand by the mid-2040s.

"We are trying to run a 2026 aviation industry on a 1970s operating system," said Justin Erbacci, Director General of ACI World. The organization is now pressing for a collaborative, transparent approach to capacity management. Without a fundamental shift in how slots are allocated, the industry faces an escalating capacity crisis that threatens the efficiency and resilience of global air networks.
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