Delta Air Lines (DAL) reported a drop in fourth-quarter earnings in line with analyst forecasts Tuesday as the impact from Hurricane Sandy weighed on results. The No. 2 domestic airline said Q4 EPS declined 38% to 28 cents per share, matching analyst estimates. Revenue rose 2.4% to $8.6 billion, also in line with views. Shares were up 2.5% in midday trading Tuesday. Delta cited a $100 million impact from Superstorm Sandy, which caused flight