Recently, there have been many studies showing that knowledge sharing has an effect on job performance. It was necessary to study whether the application of face-to-face service and various regulations applies to airline ground staff at the airport. The purpose of this study is to investigate the effect of individual and organizational factors on job performance. This study collected 201 questionnaires from airline ground staff working at Incheon Airport and used them for statistical analysis. In this study, a correlation analysis was conducted after securing conceptual validity and reliability. The results of the empirical analysis of this study are as follows. First, it was found that personal attributes had a positive effect on knowledge sharing. Second, it was found that organizational attributes had a positive effect on knowledge sharing. Third, knowledge sharing was found to have a positive effect on individual job performance. Fourth, knowledge sharing was found to have a positive effect on the organization's job performance. In order to secure a competitive advantage for survival strategies in a difficult business environment, the relationship and mediating effect between individual and organizational factors, which are the attributes of knowledge sharing, were verified. It will be a document that proves that knowledge sharing is an effective and important medium for corporate performance, and this will serve as a means for the aviation industry to strengthen its competitiveness.