Xinhua News Agency, April 29, according to Henan Airport Group, the number of flights at Zhengzhou Airport gradually increased during the May Day holiday. According to flight planning statistics, Zhengzhou Airport is expected to have an average of more than 600 incoming and outgoing flights per day during the holiday. In order to meet the travel needs of the majority of passengers, a number of airlines have encrypted passenger flights at Zhengzhou Airport, and some airlines have plans to open new routes.