Shares of JetBlue Airways Corp. JBLU, -6.11% were off 2.9% in premarket trading Tuesday after the airline reported a larger loss than analysts had been expecting. The company posted a second-quarter net loss of $188 million, or 58 cents a share, whereas it recorded net income of $64 million, or 20 cents a share, in the year-prior quarter. After adjusting for special items and the net performance of investments, JetBlue lost 47 cents a share, whereas it lost 65 cents a share in the year-earlier quarter. Analysts tracked by FactSet were modeling an 11-cent adjusted loss per share. Total operating revenues rose to $2.44 billion from $1.50 billion, while analysts had been expecting $2.45 billion. For the third quarter, JetBlue expects cost per available seat mile, excluding fuel, to increase by 15% to 17%. “We expect the heightened level of operational investments to normalize once we get beyond the summer peak,” Chief Financial Officer Ursula Hurley said in a release. “As a result, we expect to see some productivity improvement into the fourth quarter and 2023.” The company announced last week that it intended to merge with Spirit Airlines Inc. SAVE, -1.14% in a $3.8 billion deal.