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Thread: Upgrade using onepass miles
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Old Feb 13, 2008, 6:34 am
  #1  
smcgrath12
 
Join Date: Jan 2005
Location: San Antonio, TX
Programs: OP, SPG, Amex MR
Posts: 318
Upgrade using onepass miles
Can I upgrade on a Delta operated flight within US by using CO onepass miles? I booked the ticket on Continental.com. The "TO" flight is on CO, but the return is on Delta. If I can upgrade, do I call up Delta or CO?
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