FlyerTalk Forums - View Single Post - Upgrading AS flight then switching to DL FF#
Old Apr 6, 2012 | 10:39 pm
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jackal
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Originally Posted by mikelat
Other threads on this already exist. Many will say that it's deceptive, at the least, to use MVP status to upgrade and then credit miles to another program. Since I never had any luck with MVPG upgrades I just gave up on AS and credit all my miles to AA from the start.
Note what hgdf said above: when using a Gold Upgrade Certificate, there is no reason you need to put your AS Mileage Plan number in (or any airline FFP number at all, for that matter). You are getting the upgrade because of the certificate, not because of any status attached to the Mileage Plan number.

Therefore, the sentiment expressed in the linked thread and in your post doesn't really apply to this situation.
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