Originally Posted by
xliioper
DL doesn't seem to indicate any part of South America is valid for MUAs at this point -
https://www.delta.com/us/en/skymiles...rades-and-more
What regions are eligible:
- For all markets, with the exception of Delta-operated flights in North America and South America, Mileage Upgrade Awards on Delta-marketed and operated flights may be used to upgrade on the following paid fare classes: Y, B, M, H, Q, or K.
I was told this by a DL agent. Thus very possible not correct. Also possible website not correct. With DL never know.