The airport of Lelystad in North Holland will be upgraded to attract commercial traffic from Schiphol. In this paper we present the simulation-based analysis for Lelystad Airport with the objective of identifying the most promising configuration, identifying potential problems and capacity limitations in the system. Three layouts for the apron were tested and we analyzed in the model the use of vehicles for the ground handling service, different demand levels and different allocations for aircraft, in addition we included the uncertainty inherent to these systems. The results allowed to get to the conclusion that some configurations are more attractive than others but the variability of the system might play an important role in order to make the airport more or less attractive to commercial airlines.