Originally Posted by
snsec
The mileage cost for E class is fixed, and it is able to be combined with other partner award flights at no additional cost. The D-class space you are seeing is the dynamically priced first-class award. If you're asking why the inventory is what it is for your flight, only Alaska's revenue management team would have an answer.
OK so in this case the D fare (in miles) is the same as the E fare would be. But they are withholding E bucket for whatever reason (my guess is that they don't want to "lose" inventory to partner awards).