"TEP" wrote in message
news:ghgqin$joc$1@tep.motzarella.org...
>
> "VS" wrote in message
> news:ggpbpe$43u$1@xenon.Stanford.EDU...
>
>> Nonsense. On the airline I fly most often, A is paid domestic first,
>> there is no such a thing as an ``e-upgrade,'' R is discounted business
>> and not upgradeable (because there is nowhere to upgrade to :), and
>> X is deeply discounted economy.
>>
>> Hint: fare classes differ from airline to airline, and seatcounter
>> shows only some of them and only for certain airlines.
>>
>
> OK, maybe the terminology has been modified over time, but the codes
> itemized previously fairly reflect what one can do--and, as you note--they
> vary by airline. See
> http://www.flyerguide.com/wiki/index.php/Inventory_Classes_and_Mileage_Eligibility_(AA)
> for the latest definitions.
>
There is an "industry standard" set of codes published by IATA and ATA
however airlines are free to adopt or adapt to their own needs. The page
you reference is specific to American Airlines and, yes, *their* definitions
have changed over the years, most recently when the oneWorld carriers
aligned their code usage. However, there is simply no way that the
American Airlines list forms any sort of standard for the world-wide
industry, particularly in the area of the precise usage of each code when
related to FF miles and awards.
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