The International Civil Aviation Organization is pushing for faster worldwide adoption of air traffic flow management to reduce delays, avoid unnecessary airborne holding and improve recovery from disruptions. The initiative would allow airlines and airports to manage departures earlier when destination capacity is constrained by congestion, weather, emergencies or route closures, rather than leaving aircraft to circle near busy airports.
The move follows five days of talks in Montreal involving governments and aviation-industry stakeholders. Air navigation service providers, airports, airlines and meteorological services would share information and make coordinated decisions across national and regional boundaries. ICAO’s 193 member states often operate systems that do not exchange data effectively, allowing local disruptions to spread through international networks.
Trials supported by ICAO in the Americas saved more than 265,000 minutes of flying time, over 13,330 tonnes of fuel and approximately 42,160 tonnes of carbon dioxide in 2026, with reported savings exceeding $38.9 million. A European programme that anticipated weather and congestion avoided about 3.1 million delay minutes between May and August and generated estimated savings of $448 million.
Regional workshops are planned for 2027. New international air traffic flow management rules are scheduled to enter into force in November 2030, meaning the initiative represents an implementation push rather than an immediate worldwide operational change.