1航班正常性研究意义航班正常性一直是社会持续关注的热点问题,由于航班延误造成的各类事件层出不穷,成为提升民航优质服务的最大障碍。据统计,旅客对航班问题类的投诉占总投诉的50%以上,千方百计提高航班正点率一时成为了整个民航行业的工作重点,上至政府行业主管部门,下至民航相关企事业单位,均想方设法,从各个层面、各个角度提出并实施提升措施确保航班正点率。航班正常性关乎到旅 1 Significance of Flight Normality Research on flight normalcy has always been a hot issue in the society’s continuous concern. As the various types of incidents caused by flight delays emerge in an endless stream, it has become the biggest obstacle to enhancing the quality of civil aviation services. According to statistics, travelers’ complaints about flight problems account for more than 50% of the total complaints. They make every effort to improve the punctuality rate of flights, which has become the focus of the entire civil aviation industry. From the competent government departments to the related civil and commercial enterprises, , Propose and implement promotion measures at all levels and angles to ensure punctuality of flights. Normality of flights related to travel