Originally Posted by econometrics

I noticed the same thing back in the fall. It's some kind of odd thing AA is doing with PE on certain routes. You can read about it here: Odd revenue management practices emerging?

Someone speculated they were doing this on DFW-XXX longhaul routes, but that if you searched - e.g. - OKC-DFW-ICN, it would come up for sale in W/P class.