The carrier will report earnings Thursday, providing an update on the health of the travel sector and the U.S. economy.

With airline stocks, quality matters. American has $29.4 billion in long-term debt, about double Delta's total. While the airline should have the wherewithal to cover that debt, it does leave the company more vulnerable to a potential downturn up ahead.

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.

Delta Air Lines said on Thursday its bookings have stabilized, prompting it to forecast a brighter profit outlook for coming quarters, even as

Delta Air Lines, the world’s largest carrier by revenue, reported upbeat second quarter results and reinstated its guidance as growing economic clarity deflects headwinds resulting from a global trade war.

With limited demand for lower-priced fares, carriers are poised to reduce domestic main-cabin capacity by about 1% by September, Delta Air Lines President Glen Hauenstein said Thursday.

A Delta Air Lines flight from Madrid to New York had to make an emergency landing on a tiny island in the Azores, in the middle of the Atlantic, due to a reported mechanical issue

Delta's strong Q2 earnings and bullish forecast is boosting confidence across the airline industry Thursday. United and American shares are rising on investor optimism and expectations of similar performance.