Originally Posted by
WineCountryUA
Unsure why you are seeing different miles for the same trip -- believe is is because the reduced award is only available if use CO OP milingon CO metal or UA MP miles on UA metal -- that issue should go away by the end of the year, assuming they keep the 20K option.
Given that they standardized the offering on this award between the two programs as part of the June 15, 2011 award chart update it seems quite likely that they will keep it going forward. And it should permit both UA and CO metal when redeemed from either program.