Originally Posted by
IAH-OIL-TRASH
So you've experinced first hand the differences in the lounges and already have a very distinct impression of the UA vs Delta lounges - what's your objective here???? Most flyers goes with the carrier most convenient out of their airport to/from their destinations and (if necessary) the best partners. If the Delta routes/partnerships work better for you, then fly Delta. Or are you saying UA works better for you in terms of flying and you'll go with a less convenient Delta because their lounges are better?
At airports where there's real competition, lounge can absolutely be a determining factor. For example, DL typically gets my business (over UA and AA) LAX-PHX specifically because of their lounge.