Originally Posted by
FlyHighDude
If it is, my question is that I have both NW worldperks and DL skymiles; which of the two would one recommends for me to put my CO flight miles to? Which one is more beneficial?
You should put all Skyteam flights into one single account, and not spread them into two. I don't know how much you have in each one now, but first thing is to get enough in one so you can claim something. NW miles don't expire right now, while DL ones do.