In Hong Kong, Cathay Pacific, HK Express, Hong Kong Airlines and Greater Bay Airlines scrapped more than 40 flights and waived change fees, the South China Morning Post reported.
The cancellations hit routes to Taipei, Kaohsiung, Okinawa, Ishigaki and Zhoushan.
Singapore Airlines and its budget arm Scoot canceled at least 18 flights spanning Taipei, Tokyo, Seoul and Sapporo.
On the mainland, at least 10 airports halted departures. Zhoushan airport in eastern Zhejiang said 14 flights were grounded on July 10, and Wenzhou canceled 17 inbound flights.
Air China, China Southern Airlines, China Eastern Airlines and Hainan Airlines opened assistance channels and offered fee-free rebooking. Air China cleared free changes or refunds for passengers routed through Quanzhou, Hangzhou or Xiamen over two days.
