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Thread: Upgrading AS flight then switching to DL FF#
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Old Apr 5, 2012 | 12:22 pm
  #3  
hgdf
 
Join Date: Nov 2007
Location: SEA, SoCal
Programs: AS 75K, DL Plat, AA, WN, Hertz, HHonors, Marriott
Posts: 1,306
Originally Posted by SPatrick83
I'm about to book a MIA-SEA flight and use my (DL status matched) MVPGld Guest Upgrade for my flights. Is it possible to book the coach ticket, upgrade to First Class with my upgrade codes and then change my frequent flyer number to Delta to earn my MQM's?

If it's possible, would I loose the upgrade or would it screw up my reservation? Don't want things to get unnecessarily messy!
When using the guest upgrade codes, it doesn't matter what FF account you're using. Anyone can use them. What is a big no-no is to switch your FF number after receiving a complimentary MVPG upgrade.
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