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Thread: Upgrade DXB-IAD on CO codeshare
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Old May 16, 2010 | 9:35 am
  #3  
LAX UA 1K
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Join Date: Feb 2001
Location: Los Angeles, USA
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Posts: 1,897
This is a UA question.

If you are booked on a codeshare you can only request an upgrade at check-in. At that time you can use a valid UA instrument like a SWU. You cannot do a *A upgrade on any codeshare flight. If you want to request an upgrade in advance, do not book codeshares.
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