Delta Air Lines (DAL) came out with quarterly earnings of $2.36 per share, missing the Zacks Consensus Estimate of $2.37 per share. This compares to earnings of $2.68 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an earnings surprise of -0.42%. A quarter ago, it was expected that this airline would post earnings of $0.36 per share when it actually produced earnings of $0.45, delivering a surprise of 25%.Over the last four quarters, the company has ...