Originally Posted by
hairyleathercub
avidflyer: you don't think a US to Asia flight is worth the miles to upgrade to BE? Sleep is important to me, so I really want a lie flat or something with a good recline. I'm PM on Delta, so I can get the Premium economy for nothing, but, is that what I really want?
No, I am saying that I paid less for Business Class on KE ($2800) than the M fare was on DL ($3300). The fare class needed to upgrade is so close to the discount business class price (in my case lower) so why would you ever use miles?