SHANGHAI, Jan. 16 (Xinhua) -- Hainan Airlines Holdings Co., Ltd. and its subsidiaries carried 79.88 million passengers in 2018, up 11.4 percent year on year.

In an unaudited filing to the Shanghai Stock Exchange late Tuesday, Hainan Airlines said the group transported 559,140 tonnes of cargo and mail last year, an annual increase of 16.7 percent.

In December, China's fourth-largest airlines carried 6.4 million passengers, down 1.52 percent month on month and up 3.68 percent year on year.

Last month, the group transported 54,750 tonnes of cargo and mail, up 5.3 percent month on month and 17.9 percent year on year.

Its passenger load factor stood at 84.5 percent last year, an annual decline of 1.5 percent. Its cargo load factor was at 43 percent, an annual increase of 1.8 percent.

By the end of 2018, the group has a fleet of 463 aircraft.

Shares of Hainan Airlines opened flat at 1.93 yuan Wednesday in Shanghai.