白云机场最新提醒：大量航班将受台风影响！航司发布退改方案

Group 1 - The article discusses the impact of Typhoon "Haikui" on flight operations in South China, with significant disruptions expected for travelers in the coming days [2] - Baiyun Airport has indicated that heavy rain is anticipated due to the typhoon, which will affect flight operations, and decisions regarding flight cancellations will be made based on weather conditions [2] - China Southern Airlines and China Eastern Airlines have announced ticket refund and change policies for affected routes to assist travelers in planning their trips [2] Group 2 - The Hong Kong International Airport will remain open during the typhoon but is expected to experience a large number of flight disruptions [2] - The Hong Kong Airport Authority is closely monitoring the situation and has implemented preparations for safety, flight operations, passenger care, and ground transportation services [2] - Coordination with government departments, airlines, and transportation service operators is ongoing to ensure emergency measures are in place [2]