Originally Posted by
RobOnLI
The website wording has been vague since they added Polaris years ago. Yes, you have access at IAH on your way to SAT if you original in Europe in business class. The IAH-SAT flight can be in any class of service, just as long as you came over to IAH in business on an international long haul (many IAH-central/south America flights do not qualify). Europe is fine.
-RM
Specifically, the International long haul must be operated by UA, which it is in this instance. If OP were flying LH to/from IAH in J, there'd be access on the way to Europe but not on the way home.
Originally Posted by
VRFast
Your onward domestic flight doesn’t even have to be on UA, I think, as long as you can clear security to get to it.
Correct.