In this study, we mainly focus on examining passenger's satisfaction on Airport land side facilities at KIA to understand whether the land side facilities make the passengers satisfy or not. Survey will be conducted on domestic and international passengers through online questionnaires. The questionnaires will the concern of their satisfaction and perceived level of importance regarding the airport land side facilities. The results are obtained by Description Statistics Analysis (DSA) and Importance and Satisfaction Analysis (ISA). The results can provide useful suggestions for the airport operators to improve their land side facilities.