Wall Street analysts expect Southwest Airlines (LUV) to post quarterly earnings of $0.51 per share in its upcoming report, which indicates a year-over-year decline of 12.1$7.3 billion, down 0.8% from the year-ago quarter.The consensus EPS estimate for the quarter has been revised 20.3% lower over the last 30 days to the current level. This reflects how the analysts covering the stock have collectively reevaluated their initial estimates during this timeframe.Prior to a company ...