While typing my above comment I had to google American Airlines and president to remember Crandall's name. My mind is fading... but I digress.
I don't know if this is old news to any of you or not, but I wound up finding the following Op-Ed piece by him and it was very well thought out.
If you are interested it's a quick 2 minute read.
Charge More, Merge Less, Fly Better - New York Times