Southwest Airlines (LUV) is set to announce Q4 earnings. Analysts expect profit growth of 24.3% Y/Y on revenue up 1.9% Y/Y.

It's a good option for Southwest loyalists who don't care about airline status or side benefits. But it doesn't travel as well as its sibling cards with higher annual fees.

If you're a hardcore Southwest flyer, this is the best choice among the airline's three consumer cards, even with its higher fee. But if you spread your business around to multiple airlines ...