Global aviation organisations have called on airport regulators worldwide to temporarily adopt more flexible slot rules as quickly as possible in order to preserve essential air transport connectivity. The Worldwide Airport Slot Board (WASB), comprising Airports Council International (ACI World), the International Air Transport Association (IATA), and the Worldwide Airport Coordinators Group (WWACG) released a joint recommendation for airport slot use relief for the northern summer 2021 season. As a ...