On June 1, CAAC issued circuit-breaker orders for Flight LO93 (Warsaw to Tianjin) by Polish Airlines, Flight 3U8502 (Vancouver to Chengdu) by Sichuan Airlines, Flight CA868 (Johannesburg to Shenzhen) by Air China, Flight WY851 (Muscat to Guangzhou) by Oman Airlines, Flight MF830 (Los Angeles to Xiamen) by Xiamen Airlines, and Flight CZ328 (Los Angeles to Guangzhou) by Southern Airlines.

The quota for the above-mentioned flights shall not be transferred to other routes. CAAC requires the six airlines to provide reassurance and other services such as ticket change and refund for passengers of the suspended flights.