What Is Air Traffic Flow Management (ATFM)?
ATFM combines air navigation technologies with new operational procedures to improve the reliability of air services while reducing fuel consumption and emissions. Under ATFM, all flights and everything that impacts their operations are fully coordinated and managed together across international boundaries before they even take off. For global logistics networks, this cross-border coordination is what makes multi-leg, multi-country shipments more dependable.
How Does Airport Collaborative Decision Making (A-CDM) Improve Reliability?
Airport Collaborative Decision Making (A-CDM) is one of the key procedures within ATFM. A-CDM is a process where airlines, airports, and air traffic controllers exchange real-time information so that decisions—like when and how flights take off or land—are made together. This directly improves the reliability of flights. The "Total Airport Management" concept extends this same coordination across all airport activities, from baggage and refueling to passenger and cargo movements.
How Will Free Route Airspace Create More Capacity?
ATFM is also about making more airspace available. The gradual adoption of "free route airspace" will enable pilots to select the most direct and efficient path rather than following pre-established routes. Under the ATFM "flexible use of airspace" principle, entire portions of controlled airspace can be dynamically managed according to real-time traffic needs—a shift that supports more direct routing for the international cargo and passenger flights that logistics networks depend on.
What's Next for ATFM Implementation?
ATFM is already required in many circumstances, and the current challenge is to ramp up and expand its general usage. ICAO has convened stakeholders representing all areas of operations around the globe for international talks to find the way forward.
A top priority is ensuring that every region and airport can accurately measure and manage airspace and airport "capacity"—the maximum number of aircraft that can be safely handled during a given time. ICAO is also renewing its focus on optimizing minimum aircraft separation distances to safely increase the maximum capacity of airspace.
"Together, we will deliver a truly connected network for air traffic flow management, enabling every flight to operate in a predictable and efficient manner while enhancing safety and sustainability," said ICAO Secretary General Juan Carlos Salazar as he welcomed delegates to ICAO Headquarters in Montréal. "By the end of this week, we should ensure we have coherent and practical plans, working side by side in coordination with our neighbours and partners."
The talks will conclude on 9 October. The findings will inform ICAO's updates to the guidance it provides to Member States and the activities it undertakes to help states with implementation.
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