The punctuality rate of China's major airports is still far from satisfactory, according to the latest report published by local aviation statistic¹ company VariFlight.

国内航空统计公司飞常准发布的最新报告显示，我国主要机场的准点率仍然远未让人满意。

Although the average punctuality rate of the surveyed airports rose 7% year-on-year to 70.4% in 2016, the average delay time was 33 minutes.

尽管2016年受调查机场的平均准点率同比提高7%至70.4%，但航班平均延误时长为33分钟。

Shanghai Pudong International Airport reported the lowest punctuality rate last year. Only 52.4% of flights took off on time, with delays averaging 48 minutes.

去年上海浦东国际机场通报的准点率最低，该机场仅有52.4%的航班准时起飞，平均延误时长为48分钟。

Beijing Capital International Airport performed slightly better, with its punctuality rate reaching 60.7%.

北京首都国际机场的情况稍好一些，其准点率达60.7%。

Xi'an Xianyang International Airport outshone all other airports in China, with a punctuality rate of 82.3%.

西安咸阳国际机场的准点率为82.3%，在国内所有机场中位居第一。

According to Feng Zhenglin, head of the Civil Aviation Administration of China, weather accounted for 56.8% of flight delays in 2016, up from 29.5% the previous year.

中国民航局局长冯正霖表示，因天气造成航班延误的比例由2015年的29.5%增至2016年的56.8%。

Feng said that the Goal for 2017 is to maintain an overall punctuality rate of about 75%.

他表示，2017年的目标是航班整体准点率维持在75%左右。

Li Xiaojin, a professor at Civil Aviation University of China's Economics and Management College, said that rapidly increasing numbers of flights and limited airspace for civil aviation are the major reasons for delays.

中国民航大学经济管理学院教授李晓津表示，数量迅速增加的航班以及民用航空有限的空域是延误的主要原因。