National carrier Singapore Airlines (SIA) on Saturday (July 25) announced the cancellation of its flights operating to and from Shenzhen, and from Hong Kong, due to weather conditions caused by Typhoon Noul.At least three flights scheduled over the weekend have been affected:SQ856 from Singapore to Shenzhen on July 25SQ855 from Shenzhen to Singapore on July 26SQ899 from Hong Kong to Singapore on July 26SIA will be contacting all affected customers to inform them about the changes to the flight schedules.The airline also advised customers to visit its flight status page for the latest information as the situation remains fluid and other flights may be affected.  Read more