Simulation-Optimisation-Based Decision Support System for Managing Airport Security Resources

Airport access mode disruptions have a significant impact on passenger arrival flow. Such events can lead to a wave of late outbound passengers, that can congest airport facilities such as check-in counters or security systems. In this context, efficient handling of airport resources is crucial to ensure passengers’ reliable door-to-door journeys and maintain a high airport Level-of Service. Through a simulation-optimisation-based decision support system, we investigate the relevance of a dynamic opening of fast security line facilities for delayed passengers. An optimisation model solved through simulated annealing is proposed to improve security resource handling at a tactical level. Airport’s Level of Service is evaluated before and after optimisation through a microscopic passenger flow simulation model. The methodology is tested on a study case based on one of the terminal buildings of Mexico-City airport. Results indicate that using dedicated security lines for passengers in a hurry due to disruptions reduces the number of stranded passengers at the end of the day; out of the three scenarios evaluated the one that uses a dynamic management of resources provides the best results; however this task should be governed by a DSS that adapts to the particular case under study.