FlyerTalk Forums - View Single Post - DayPass lounges at IAD and So. Afr. Airways upgrades from disc. Y to F
Old Jul 7, 2008 | 3:54 am
  #11  
gleff
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You can't use UA miles for international upgrades on any other Star Alliance carriers besides Lufthansa.

I haven't checked to see whether SA participates in Star Alliance Upgrades such that you could use another carrier's frequent flyer program. I do know that Hyatt points transfer to SA.

But I assume your fare classes are not upgradeable...
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