Two top airline stocks look more attractive with American Airlines (AAL) , and Southwest Airlines (LUV)  blowing past their third quarter earnings expectations on Thursday and were able to fly by sales estimates as well.More intriguing, American and Southwest Airlines were already benefiting from a positive trend of earnings estimate revisions over the last 30 days, landing their stocks a Zacks Rank #2 (Buy). American Q3 Results Attributed to what it called an aggressive shift in its sales and distribution ...