Central North Airport Gr (NASDAQ:OMAB) reported quarterly earnings of $1.41 per share which missed the analyst consensus estimate of $1.49 by 5.37 percent. This is a 8.46 percent increase over earnings of $1.30 per share from the same period last year. The company reported quarterly sales of $217.226 million which beat the analyst consensus estimate of $207.590 million by 4.64 percent. This is a 24.41 percent increase over sales of $174.610 million the same period last year.