The magnetically-levitated (Maglev) train shuttles between Changsha's south railway station and the airport, with one stop in between.
It takes 19 minutes and 30 seconds to complete the 18.5 -km journey, according to a statement from operator Hunan Maglev Transport Co. The train can carry 363 people at a maximum speed of 100 kms an hour.
The price of a one-way ticket is 20 yuan (USD 3).
Construction of the maglev trains, designed and manufactured by CRRC Zhuzhou Locomotive Co in Hunan Province, began in May 2014 with total investment of 4.29 billion yuan.
It is highly economical in terms of construction and maintenance costs, according to the statement.