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Thread: Cash payment calculation when upgrading using miles seems inconsistent
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Old Jul 24, 2015 | 9:13 am
  #6  
StingWest
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Join Date: Aug 2006
Location: near to SFO and LHR
Programs: BA Gold, UA 1K (2.9MM), others
Posts: 2,369
The $110 seems to be approximately the difference between a one-way H fare LHR-JFK and an S fare. So maybe one of them was actually booked at the lower H fare, which had to be up-fared to an S before the upgrade. The difference between S and W is usually huge, so I don't think it would be that.
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