The pie charts give information about some reasons why flights delayed in a particular Asian country in 2015 and 2016.
Overall, it is clear that bad weather and airline operations management were two factors that had the largest influence on the flight time department in both years surveyed. Whereas, the number of flights delays due to air traffic control had a large fluctuation between 2 years.
Looking the pie charts in more details, the number of flights delays due to airline operations management accounted for the largest percentage in both two years with 40% in 2015 and 46% in 2016. Air traffic control had a considerable impact on the time plane department (25%) in 2015. However, it was recorded at 12% in 2016, with its value plummet two times its initial value.
Only 4% flight delays suffered from airport security but it was increased three-fold in 2015. The proportion of military factor and bad weather was recorded at 10% and 21% in 2015. And these data recorded in 2016 stood at 6% and 23%, which had a bit fluctuation.
