Delta Air Lines, Inc. (NYSE:DAL) is one of the travel and leisure stocks Jim Cramer recently talked about. Cramer showed positive sentiment toward the stock, as he commented: “So, what exactly is working in the consumer travel space? Why don’t we start with the airlines, which have really roared from their November lows, the Jets… ETF, the best proxy for the group, is up nearly 20% from its low… three weeks ago, 20%. Delta, United, [and] American Air, they’re up more than 20% over the same period… In a gr ...