Originally Posted by
humanoid94
My understanding was that COPA and CO had upgrade reciprocity. I might have gotten them mixed up with another latin american carrier.
No, you are correct. I was looking into using Copa on a NW / Copa mixted itinerary from MKE to EZE last year and didn't because of this reason. Their planes really have no "business"product available from what I understand, more like CO domestic first class, but the service sounds good.