Originally Posted by
DarkSideMoon
That depends entirely on your risk tolerance and goals. You want safe and slow? Skywest/Republic/AA wholly owneds/Endeavor are likely either too big or too secure to fail. Some upgrade quicker than others.
You want quick upgrades to get out of the regionals or to make a lot of money and build time quickly? Expressjet, Whiskey, Mesa, Commutair.
There's no one right or wrong answer, it all depends on your personal situations.
Nobody is making "a lot of money" at any of those companies you listed. "Oh but the 300% at Mesa!" Yeah, the 300% that is not sustainable and can be taken away at any second.