Geneva - The International Air Transport Association (IATA) warned that the airport capacity crunch is threatening the freedom for people to travel, and constraining economies. With little prospect for airport infrastructure to fully keep pace with growing demand, IATA released a White Paper including proposals for how slot regulations must incentivize airports to generate more capacity from existing infrastructure. The number of airports unable to fully meet the demand for air connectivity and requiring slot coordination using the IATA Worldwide Airport Slot Guidelines has already grown to nearly 400 worldwide. If current trends prevail, this number could grow by 25% over the next decade. (....)