Wall Street analysts expect Delta Air Lines (DAL) to post quarterly earnings of $1.99 per share in its upcoming report, which indicates a year-over-year decline of 15.7$16.18 billion, down 2.9% from the year-ago quarter.Over the last 30 days, there has been a downward revision of 10.1% in the consensus EPS estimate for the quarter, leading to its current level. This signifies the covering analysts' collective reconsideration of their initial forecasts over the course of this t ...