Originally Posted by vasantn
Done it 2 years ago; couldn't be happier! Still doesn't keep me from complaining, though, as DL suffers more and more by comparison with AA. I would challenge anyone who flies both airlines to name a single significant area, with the exception of technology, where DL is better for a top-tier flyer.
What does AA do above and beyond for it's 125K, 150K flyer? After reaching 1MM next year, I might look around (not that I usually fly >100K a year).