The Worldwide Airport Slot Guidelines (WASG) are the foundation upon which the global slot allocation process works for the benefit of airlines, airports and consumers. The WASG is jointly published by IATA, Airports Council International (ACI) and the Worldwide Airport Coordinators Group (WWACG). The WASG is built on the pillars of transparency, flexibility, certainty, consistency and sustainability.

From 1 June 2020 the WASG is jointly published by IATA, Airports Council International (ACI) and the Worldwide Airport Coordinators Group (WWACG). The WASG is the result of airport operators, airlines and slot coordinators working together to modernize and improve the slot guidelines.

Thanks to continual update and revision, the WASG represents the globally accepted best practice and ensure that slots at capacity-constrained airports around the world are independently allocated to airlines using consistent policies, principles and processes. Read More...