Originally Posted by
username
What does this mean? Married Segment Control, by definition, is when they tie the segments together for faring purposes. BR's upgrade, by rule, is per segment.
you are absolutely correct.
hence if you booked SFO-TPE-SIN. You can’t use 30k miles total to upgrade SFO all the way to Singapore. But you can do 30k from SFO to tpe and another 25k from TPE to sin.