<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by rlaakso:
# of one way intn'l upgrades given: Delta 6, US Air 2, Co 0. I believe DL is significantly better than CO in this regard.</font>
Sure, that's part of the policy for top tier. But it's only one small component-- what restrictions do the systemwides come with? On Delta, upgrade rules are nearly as restricted as Continental internationally. Also, inventory controls are as tight as Continental.