FlyerTalk Forums - View Single Post - FAQ: Miles + Copay Upgrade / Upgrades (master thread)
Old Apr 21, 2016, 9:24 pm
  #8  
billgrates3
 
Join Date: Jun 2006
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Originally Posted by MaineFlyer16
Does anyone know how mileage upgrades work when transiting through North America? Flying LHR-JFK-BOS-LAX-SYD. I am assuming I would have to use two upgrades plus copays?
That type of upgrade is good for 3 segments, so definitely LHR-JFK-BOS-LAX. I'm not sure though whether you can choose which segments, for example, could you skip JFK-BOS and use the upgrade on LAX-SYD?
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