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Thread: Upgrading a code share
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Old Jul 10, 2010 | 4:04 pm
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sbm12
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Originally Posted by nkedel
You'll probably get a more definitive answer on the Continental or UA forums, but it is pretty normal not to be able to upgrade codeshare flights.
Yup.

CO would allow you to upgrade a UA-coded, CO-operated flight using CO points but not using UA points. UA doesn't allow advance upgrades on any of their flights that are purchased under a different carrier's code.
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