Nowadays, smart airport technologies provide travelers and tourists with a faster and more convenient air travel experience. The research aims to explore the reasons that drive some travelers to favor the use self-service check-in technologies, while others still rely upon the traditional agent assisted methods. The various dimensions and variables that influence travelers' behavioral intentions are analyzed in this research. The self-check-in services were chosen to form the focus of this study. In order to analyze travelers' perception of various variables associated with their air travel experience, The Unified Theory of Acceptance and Use of Technology (UTAUT) was chosen as a guideline to formulate and test the research hypothesis. The primary results confirm that performance expectancy, effort expectancy, social influence and facilitating conditions all have a positive influence on travelers' behavioral intentions to use self-check-in services.