Delta Air Lines (NYSE:DAL) reported quarterly earnings of $0.64 per share which missed the analyst consensus estimate of $0.65 by 1.54 percent. This is a 39.13 percent increase over earnings of $0.46 per share from the same period last year. The company reported quarterly sales of $15.854 billion which beat the analyst consensus estimate of $13.944 billion by 13.69 percent. This is a 12.92 percent increase over sales of $14.040 billion the same period last year.