Originally Posted by
MSPeconomist
I'm not convinced. I was able to get EF to show me N but not R or O for some flights where I know (from delta.dumb and from successfully booking it) that there is some low FC/domestic business class award inventory available.
MSPeconomist, I'm skeptical to some extent as well, but I've conducted my Dl.com searches while logged out and it's correlated reasonably well.