Originally Posted by
ridefar
How many people, even here, fly AC and 2 of (UA, DL, AA, SW) frequently enough to actually make a valid comparison? Not many. "I flew DL once and it was amazing!!!" may be true but it isn't really relevant. Sample sizes of one are not useful. Even better would be somebody who is top tier on 3 or more. Now we have almost nobody that can respond.
DrunkCargo could offer some reasonable insight.
He was SE for many years, and now he's 1K on UA, and Platinum on both DL and AA.