O MCT é definido pela Resolução IATA 765 :
For the purpose of Resolution 765, in a passenger context, a Minimum Connecting time (MCT) interval is defined as the shortest time interval required in order to transfer a passenger and his luggage from one flight to a connecting flight, in a specific location or metropolitan area.
Establishment of and changes or exceptions to standard MCTs are governed by the provisions of IATA Resolution 765 Official MCTs are determined by the airport local MCT group, which consist of scheduled airlines and railways serving an airport, or if there is no such a group, by the Airport Operating Committee (AOC).