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 illustrates the various reasons for flight delays in a specific Asian nation between 2015 and 2016. The units are measured as a percentage.

Overall

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,

it is clear that

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airline operation management was the predominant factor for flight delays in both years,

while

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the military contributed the smallest share

in

Change preposition

apply

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it

Correct pronoun usage

apply

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. Interestingly, air traffic control experienced a notable decline. To commence with, airline operation management was the main reason for getting flight delays, which accounted for two-fifths in 2015. It upsurged by 6% in

next

Correct article usage

the next

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year. Meanwhile, air traffic control was the second most common reason for getting late,

constituted

Wrong verb form

constituting

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a quarter, which declined to almost one-tenth (12%).

Furthermore

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, airport surveillance and army force combined almost 14% in 2015, where it was increased by 5% in the following year.

In contrast

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, climate and weather comprised roughly one-fifth in the initial year,

whereas

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it showed a marginal gain of 2% in 2016.