Three months. Inquire about the flight attendant training notice of Hainan Airlines Co., Ltd., and the pre-job training time of airlines is generally 3 months. If there is a big gap in flight attendants in the operation base, the corresponding training time will be shortened to meet the needs of the operation base. After years of development, HNA Group has developed from a single local air transport enterprise to a multinational enterprise group since 1993 started its business.