The American Express Centurian Lounge in Dallas - albeit not "airline" lounge is excellent and among the best I have experienced anywhere. I think most agree that UA lounges are continuing to deteriorate despite claims to the contrary and last two times in IAD and IAH there was not a single seat in entire lounge open...they have gotten far too generous with the CC promos with free lounge access and as a result long time loyal customers are displaced.
Have to question where they got the F&B advice on the recent changes to the food offerings of UA Lounges..