Originally Posted by
MSPeconomist
I don't know where you're getting this infromation but it is wrong. For international long-haul upgrades into BE, Y B M fares and SWUs or miles are required. Period. No upgrades from H Q K fares with any number of miles.
You can upgrade domestic H Q K fares with SWUs or the same number of miles as M and restricted B fares.
I guess I was reading this
http://www.delta.com/content/www/en_...de-awards.html wrong then and assuming that "Select fares" meant H,K,Q.