FlyerTalk Forums - View Single Post - Using 2 United e-certificates at once
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Old Mar 19, 2012 | 8:48 am
  #4  
sbm12
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Originally Posted by lexdevil
Have you tried using them at check out instead? I used a Continental certificate last night.
The legacy CO and legacy UA certs are processed at different points in the flight search sequence. The CO ones are redeemed at the end while the UA ones are at the beginning.

Full details can be found here: https://pss.united.com/web/en-US/con...offerCode.aspx.
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