Because of the weather. 21:00 pm on October 17, 2022, because of the detection of the weather in Jinan for the fog-like body, not suitable for the points immediately landed, so decided to cancel the flight from Kunming to Jinan, the follow-up to improve the situation will be notified in the way of text messages, the flight cancellation may be due to the airline's reasons, such as aircraft mechanical failure, the passenger seating rate is not high (such as the epidemic epidemic infection prevention and control), airlines The reason for flight cancellation may be due to the airline's mechanical failure, low occupancy rate (e.g. epidemic infection control), the airline's internal adjustments, etc.; it may also be due to force majeure reasons, such as weather (e.g. fog, gale, rainstorms, etc.), flow control, military exercises, earthquakes, etc.