Band 6+: 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 provided pie charts illustrate the various reasons for delay in flights in an Asian country in 2015 and 2016.

Overall, it is clearly apparent that the airline operation management was the primary cause behind the filght delays in both years, followed by air traffic problem and poor weather conditions.

In 2015, airline operation management accounted for the highest proportion of delays at 40%, followed by followed by air traffic control problem at 25% and weather related issues at 21%. Security concerns and military factors represented smaller percentages, at 4% and 10% respectively.

Similarly, in 2016, airline operation management remained the leading cause, comprising 46% of the total delays. While, in 2016, there was a small increase of 2% weather related problems that cause delay, air traffic control problems slashed by half to 12%. Security reasons experienced a significant increase, tripling to 13% and military elements dropped to nearly half at 6%, causing delay in air travels in 2016.