They may very well be disappearing once US Airways and American Airlines merge toward the start of 2015 as the combined airline may have
a very different award chart.
Since you are booking with American Airlines miles, you are subject to American Airlines»
very different award chart.
Not exact matches
Cathay Pacific does operate on two
different distance - based
award charts and at first glance they seem
very confusing.
The
award chart for Star Alliance partners isn't
very different from the Asiana
awards.
The Mileage Plan
award chart is
very specific, with
different prices for
different partners (even if they serve the same regions), so I've organized my comparison the same way.
6) Understand that there are four
different award charts and creating itineraries with multiple carriers can get
very expensive.
Plus, note that this has
very limited use when booking with Iberia Avios since Iberia would flip to a
different award chart (the OneWorld
chart I wrote about previously) when you include partner airlines like American Airlines, Cathay Pacific, Qantas, etc..