Lufthansa and Austrian only 50% on S and W class (which is pretty much all I get when the prices are decent)
Swiss 50% on T & W (also very common)
I know W,S,U intra-Europe Lufthansa flights do earn 100% and is a misprint on CO.com:
http://www.flyertalk.com/forum/13473156-post511.htmlNot sure about the others.
So there are some exceptions, but generally CO miles are superior to UA.
-No Starnet blocking
-Domestic call centers
-Much more flexible routing rules for transiting countries
-Stopover+Open Jaw allowed
-Free changes allowed to routing even post-departure (UA allows no changes post-departure)
-Redemptions allowed on Virgin and Emirates
-Online award booking