FlyerTalk Forums - View Single Post - two upgrade questions about a united-booked, swiss-operated itin
Old Apr 20, 2023 | 8:40 am
  #12  
cfischer
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Upgrading UA codeshares is very tricky. The Swiss website won't offer that AFAIK. Try and get the flight converted to the native flight number. Once converted the UG should work - and as other wrote ... don't worry if united.com is not happy
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