Delta's revenue from premium seats like business class rose 6% in the first half of the year to $10.6 billion, while main cabin economy ticket revenue dropped 4% to $11.7 billion. The carrier, the most profitable U.S. airline, has said for years that its share of sales from high-end seats and its lucrative loyalty program has been growing.

Delta Flight 127, which departed Madrid, Spain diverted to the volcanic island of Terceira in the Azores. Passengers were stranded 29 hours there.

After withdrawing its outlook in April, Delta is again forecasting a profit—though at a significantly lower level than originally projected.

The airline’s upbeat outlook for the year has been dimmed by economic turbulence in the U.S. that made people hesitant to book flights.

Delta topped Wall Street expectations for the quarter and reinstated full-year guidance. The company is feeling much more upbeat about the quarters to come than it was three months ago, propelling the stock higher.

Delta says flight attendants quickly extinguished a battery from a passenger’s personal electronic device on a flight from Atlanta.

Wall Street added to its recent milestones Thursday as the market closed at an all-time high after Delta Air Lines kicked off earnings season with a solid outlook for the rest of 2025, spurring an airline stock rally.