Have you been searching for a stock that might be well-positioned to maintain its earnings-beat streak in its upcoming report? It is worth considering Delta Air Lines (DAL) , which belongs to the Zacks Transportation - Airline industry.This airline has an established record of topping earnings estimates, especially when looking at the previous two reports. The company boasts an average surprise for the past two quarters of 7.57%.For the last reported quarter, Delta came out with earnings of $1.28 per share ...