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Thread: RUC usage: Can RUC be used on Delta ONE on dometic cross-country flight LAX-JFK?
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Old Jun 3, 2022 | 4:11 pm
  #15  
WillBarrett_68
 
Join Date: Feb 2019
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Originally Posted by uclacolumbiaunc
how do we know if OY is available? when I made a dummy booking for the flight listed as RUC available, it's showing OZ in the booking class like the other two flight that are only available for GUC.
That's the neat part, you don't.

In theory the way you know is "Delta One Available With Upgrade Certificate" (NOT "with Global Upgrade Certificate") but unfortunately the website has had a bug since March and is showing this in a lot of cases when OY is not in fact avaiable.
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