A quick look on google throws up this site:
Another advertising link removed. If it sells tickets it is advertising - mods
Flights Start in June 2011 and are to be operated by Air Atlanta Icelandic. Using a Boeing 747-300
Flights will operate as below
Calgary
1 x Weekly LGW-GLA-YYC (Saturday)
Toronto
1x Weekly LGW-YYZ (Sunday)
1 x Weekly LGW-GLA-YYZ (Thursday)
Vancouver
1 x Weekly LGW-YVR (Friday)
1 x Weekly LGW-GLA-YVR (Monday)