Originally Posted by
gengar
No, this is definitely not correct IME. I have never once used SAUA on BR when I>0 - i.e., every time I have used SAUA on BR, it has been on a flight where Z>0 and I=0. The reason for this is that I only ever use SAUA for one-way tickets when straight award redemption is not available.
This has been exactly my experience and rationale as well. I only do SAUAs on one-way B fare when awards (I fares) are not available.