Niraj Chokshi

A 61-year-old man was being treated for friction burns after a window was damaged during a flight from Greece to Germany. The flight was operated by the Ryanair subsidiary Malta Air.

Aviation start-ups and the Trump administration want to replace helicopters with electric aircraft, but the new vehicles still have to pass arduous tests before the public can use them.

The carrier has become the country’s most profitable by catering to affluent travelers, but it is facing stiffer competition from United.

The deal, if it materializes, would be a major win for Boeing, which has lost ground to Airbus in one of the world’s largest aviation markets.

Even in its reduced state, the company played an important role in forcing other airlines to keep fares low, some experts said.

Spirit once upended the industry by offering very low fares but was in its second bankruptcy in two years after years of struggle.

The low-fare airline, which has struggled for years, had been trying to secure a $500 million lifeline from the Trump administration.

The chief executive, Scott Kirby, said that buying a smaller airline might not be worth the effort.

A few carriers are making a lot of money while many are struggling. President Trump and industry executives seem to think mergers may be the answer.

The Trump administration is negotiating a deal that would provide as much as $500 million to the struggling company, which is in its second bankruptcy in two years.

As he rejected the idea of a merger of United Airlines and American Airlines, President Trump said someone, including possibly the federal government, should buy or help Spirit.