Not officially confirmed anywhere but a post on the YYC Spotters Facebook page says that Hainan is going to pull the plug on the PEK flight very soon. It's been rumoured for a bit.
In other news YTD passenger numbers are looking good and the airport is on track to surpass 17 million this year.
http://www.yyc.com/en-us/media/facts...tatistics.aspx