Nursultan Nazarbayev International Airport , located  south-east of the city center, is the main gateway for the city's domestic and international civilian air traffic. It is the second-busiest airport in Kazakhstan, with 2,960,181 passengers passing through it in 2014. The airport hosts 13 airlines operating regular passenger flights inside the country and internationally. Air Astana maintains its second-largest hub at the airport. An expected 50% increase in passenger traffic by 2017 has spurred the construction of a new terminal with an area of about .