Delta Air Lines Inc.’s stock soared in morning trading Thursday after the air carrier topped Wall Street’s estimates for second-quarter profit and revenue and restored its full-year guidance.

Delta Air Lines shares surged after beating Q2 expectations and reinstating its full-year profit forecast. Stabilized demand, strong premium sales, and a positive Q3 outlook boosted investor sentiment across the airline sector.

Airlines stocks took off on Thursday, boosted by Delta reporting better-than-expected earnings and reinstating its full-year guidance. Here are the key chart levels to monitor for shares of three major U.

The second-quarter earnings season will begin a little more quietly than usual this week, with results from Delta Air Lines due on Thursday. Wall Street’s advice? Keep expectations low.