Southwest Airlines (NYSE:LUV) reported quarterly earnings of $0.56 per share which beat the analyst consensus estimate of $0.44 by 27.27 percent. This is a 51.35 percent increase over earnings of $0.37 per share from the same period last year. The company reported quarterly sales of $6.90 billion which missed the analyst consensus estimate of $6.96 billion by 0.80 percent. This is a 1.14 percent increase over sales of $6.82 billion the same period last year.