The airline service business has a prosperous future due to the increasing transport of passengers and goods. The airline industry has created a number of jobs and has led to significant economic development in many countries. It is important to investigate the factors affecting an employee's sales performance. The study examined the factors affecting the employee sale performance of sales personnel in Ethiopian Airlines. The sample comprises 200 respondents from Ethiopia airlines. The data was collected using questionnaires and analyzed with the statistical package for social science (SPSS), and a multiple regression model. We find that incentives and rewards have significant effects on the sales performance of sales personnel in Ethiopian Airlines. However, the factors of satisfaction and training do not significantly affect the sales performance of Ethiopian Airlines. Therefore, the Airline industry should concentrate on incentives and rewards in order to improve sales performance. Certain policies were discussed.