Boarding1Now/iStock Editorial via Getty Images Delta Air Lines (NYSE:DAL) kicked off earnings season for airlines earlier this week. The stock fell after reporting second quarter earnings, and given that I have a buy rating from April on Delta stock that saw a 16% return, that is of course somewhat disappointing. In this report, I will be analyzing the second quarter results and assessing my rating and price target. Delta Revenues Growth In Line With Seat Growth   Delta Air Lines For the second quarter, ...