Originally Posted by e6bpilot

I'll sum it up:
The highs aren't very high, but the lows aren't very low.

In your shoes, I would probably go to United if you can live in base. SWA would be my second choice only if living in base. Then others. Then commuting.

Southwest is the index fund of airlines. Boring, fairly predictable, and barring a complete economic meltdown, you'll retire with a good nest egg.