Band 8+: The pie charts below show the different reasons for flight delays in a particular Asian country in 2015 and 2016. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The pie chart presented below demonstrates the distribution of different factors contributing to flight delays in two Asian countries from 2015 to 2016.

It is clear that the largest proportion of flight delays was attributed to airline operations management, accounting for nearly half of the pie chart. However, the percentage of flight delays caused by air traffic control experienced a slight decrease during the specified time frame.

Upon closer examination, in 2015, airline operations management accounted for 40% of flight delays, making it the highest contributing factor, followed by air traffic control at 25%. Bad weather also played a significant role, causing 21% of flight delays. Airport security was responsible for only 4% of delays, while military factors contributed to 10%.

In 2016, airline operations management was responsible for 46% of flight delays, making it the most significant factor. Bad weather followed as the second highest factor for flight delays. However, all other factors, including airport security, military, and air traffic control, accounted for less than 13%.