FlyerTalk Forums - View Single Post - DELTA (DL) Inventory Returns to ExpertFlyer (sans Upgrade Class Inventory)
Old Mar 2, 2018, 10:06 am
  #107  
rucksack
 
Join Date: Dec 2014
Posts: 1,880
Originally Posted by LBJ
It's not a single letter. OP bucket is used for miles/cert upgrades to D1. ExpertFlyer doesn't show this. It only shows low-level O availability for award bookings.
It used to be OP, but isn’t it now OY for J and RY for F?
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