I thought the previous situation was that Ecuador was considered "northern South America" by UA for many years, and that oddball designation put those countries in the same upgrade region as Central America. Although it was always difficult to actually find this on the desktop site. I'm wondering if the only recent change might be better clarity on the website? My wife was upgrade listed to and from UIO without an instrument about 5 weeks ago.

Since the route is flown with 737s with so few seats upfront, I'm guessing CPUs are going to be almost impossible anyway on that route, even worse than domestic 737 upgrades, as many companies authorize J class for all international travel.