The average on-time departure rate of major airports in mainland China reached 77.16% in November 2016, up 3.68 percentage points year on year, according to data released by Civil Aviation Administration of China (CAAC).

Among the 51 airports, 27 achieved better on-time departure performance than the average level, including Xining Caojiabao International Airport (94.59%), Xi'an Xianyang International Airport (90.41%), Chongqing Jiangbei International Airport (90.01%), Kunming Changshui International Airport (88.12%) and etc.

The 51 airports are divided into two categories according to passenger numbers served in 2015 - full-year passenger volume more than 1% of total airports and that less than 1%.

According to statistics, Xi'an again topped on the list to be the most punctual airport in 10 million passenger club with an on-time departure rate of 90.41%, followed by Chongqing and Kunming.

Shanghai Pudong International and Hongqiao International airports were ranked at the bottom of the list of airports with more passenger volumes, with only 54.85% and 62.84% percent on-time departures in November 2016.

Data shows that Zhengzhou Xinzheng International Airport saw the largest improvement in its on-time performance among the 27 major airports, with its on-time departure increasing 10.92 percentage points to 80.58% compared with the same period last year.

Xining Caojiabao International Airport had the best on-time performance among airports with passenger numbers less than 1% of total airports, with 94.59% of flights departing on time in November.

Here are the CAAC's rankings of the major airports and their on-time departure performance for November 2016:

Data: CAAC

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