I'm not very optimistic that NWA World Perks members won't continue to learn of devaluing of our miles in the new company. I used 50k in miles for Thanksgiving travel later this year, knowing it wasn't the best use of my miles, but at least I was getting to use them before there were any surprise announcements from the new Delta management team.
The BBC is currently running promos for an upcoming segment of their travel program which will take a look at devaluation of miles in ff programs. Over the last few years, the European legacy airlines have socked it to their customers much worse than US-based airlines have, but among US-based carriers, it is DL and US that have been leading the race to the bottom.
The crap that has come out of the European legacy airlines has been an extra incentive for me to fly LCC's whenever I can intra-Europe, while the still reasonably decent ff programs in the US have meant I have never been on any LCC flights domestically. I am sometimes even able to book European business travel on LCC's, as in a trip I have in a couple of weeks on Air Baltic.
I also find the reader poll in the Pioneer Press newspaper in NW's Minneapolis/St. Paul hub very interesting. Asked about how the flight experience had changed since DL's takeover of NW, the responses were: