FlyerTalk Forums - View Single Post - How to upgrade from Economy to Business class on a flight from US to Asia?
Old Aug 21, 2012 | 1:18 pm
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sbm12
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Originally Posted by duc1986d
My friend said it is on ANA but they share code with United. I guess that does make a difference right?
Yes, it does.

If the flight is operated by ANA then as it is currently issued it cannot be upgraded with UA points.
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