The northern branch of China Southern Airlines in Shenyang, capital of Northeast China's Liaoning province, has gradually increased 10 flights since Feb 25, according to company news.

An airline spokesman said the flights were from Shenyang to destinations including Shenzhen, Shanghai, Zhuhai, Chongqing, Chengdu, Xi'an and Sanya.

He said that by the end of February, the branch would resume flight operations between 21 destinations in the country, accounting for nearly 70 percent of the company's total national destinations.

With increasing resumption of services, Shenyang airport is seeing more and more travelers.

Airport officials said that on Feb 25, the passenger load factors of flights from Shenyang to Shanghai, Guangzhou, and Shenzhen all exceeded 80 percent.

At the start of March, flights to Beijing, Shanghai, and Guangzhou will resume to four flights daily, respectively, and two daily to Shenzhen, according to airport officials.

Staff at the branch said that to ensure passengers' safety, cabins are being disinfected comprehensively every day.

Passengers are required to register their health condition before boarding and everyone is required to wear face masks and take body temperature measurements.