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Thread: Using Upgrade certificates
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Old Aug 5, 2011 | 8:54 am
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HongKonger
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Join Date: Dec 2009
Location: HKG
Programs: DL FO, UA, AA, AsiaMiles, SPG, HHonors
Posts: 7,982
Originally Posted by mkless
I purchased BC to China and was upgraded using miles on an M fare. Then I made PM and received Upgrade certificates. Will delta let me re-deposit my miles and use a certificate instead?
Yes, IF upgrade bucket (Z) availability is still available on your itinerary. Check this first!

If upgrade inventory is no longer available, redepositing your miles will NOT cause an upgrade seat to become available.

What is your itinerary?
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