Warren Buffett’s Berkshire Hathaway has substantially increased its investment in Delta Air Lines, one of the world’s largest carriers. Following an initial stake valued at approximately $2.6 billion in the first quarter, Berkshire boosted its Delta holdings by 44% in the second quarter, bringing its total position to around $5.4 billion. This move represents a significant departure from Buffett’s long-standing cautious view on airline stocks.

Historically, Buffett famously referred to the airline industry as a “capital trap,” citing its vulnerability to fuel costs and fare wars. Berkshire Hathaway indeed divested its entire airline portfolio in 2020 at the onset of the COVID-19 pandemic, incurring substantial losses. However, the latest investment in Delta occurred under the direction of Greg Abel, who succeeded Buffett as CEO in January. Abel’s investment philosophy emphasizes disciplined and concentrated positions, and the Delta purchase aligns with this strategy.

Delta Air Lines’ strong financial performance has been a key driver behind Berkshire’s renewed confidence. The airline reported a record $17.7 billion in revenue for the second quarter of this year, exceeding market expectations with robust pretax profits and earnings per share. Delta has also diversified its revenue streams, with premium seating, loyalty programs, and cargo services contributing a significant portion of its total income. Furthermore, the airline’s ownership of its own refinery provides an advantage in managing volatile jet fuel prices.

Berkshire Hathaway’s increased stake is likely to be perceived as a strong vote of confidence in Delta and the broader airline sector, potentially influencing other investors. While the investment suggests a belief in the airline industry’s improved fundamentals and long-term value, some market observers remain cautious, citing ongoing pressures from fuel costs and potential economic slowdowns. Nevertheless, this significant investment signals that Berkshire Hathaway sees durable value in Delta, beyond a mere short-term recovery.