Originally Posted by
mvoight
Can you change the airline you have on file with AMEX for the $250 credit? I haven't used any of this year's benefit yet
I think your question is not rhetorical... Yes, provided you haven't used any of the current year's benefit you can always change your selected airline online in January. After January, I think you'll need to call-in to change and it's a bit more YMMV.
-FlyerBeek