Berkshire Hathaway's new leadership has made a significant $2.6 billion investment in Delta Air Lines, marking the investment giant's third major venture into the airline sector—an industry that Warren Buffett had frequently expressed disdain for over decades.
According to Berkshire's 13F filing for the period ending March 31, 2026, submitted on May 15, 2026, the company holds 39,809,456 shares of Delta Air Lines, with a market value of approximately $2.6465 billion, representing about a 6.1% stake. Delta Air Lines promptly confirmed this information through its own 13F disclosure.
Following the announcement, Delta's stock price saw a notable rise in after-hours trading. For Berkshire, which holds nearly $400 billion in cash and is actively seeking deployment opportunities, this transaction has sparked widespread market speculation about whether the firm will further increase its exposure to the airline sector.
The 95-year-old Buffett has stepped down as CEO, retaining only the title of Chairman of the Board. The decision for this move was led by the new management team. Given Buffett's own high level of caution regarding airline investments and his historical record of losses in the sector, this transaction has drawn particular attention.
Buffett's "Aerophobia": From Anecdote to Doctrine Buffett's aversion to the airline industry is nearly legendary in the investment world.
In his 1996 letter to shareholders, he quoted Richard Branson, stating that the fastest way to become a millionaire is to "start as a billionaire and then buy an airline."
In 2007, reflecting on the poor investment returns of the airline sector, Buffett even quipped that a "far-sighted capitalist" should have shot down Orville Wright at Kitty Hawk to do humanity a favor. He once mentioned having a hotline he would call whenever he felt the urge to buy airline stocks: "My name is Warren, and I'm an aeroholic," after which the person on the other end would talk him out of it.
In Buffett's view, the airline industry combines capital intensity, high unionization, and heavy regulation. Core elements of the product—airports, security, air traffic control, cabin standards—are largely determined or provided by the government, making the industry's economic moat extremely weak.
Two Setbacks: From USAir to the Pandemic Sell-off Berkshire's history with the airline industry spans nearly four decades.
In 1989, Berkshire invested $358 million in USAir convertible preferred stock with a 9.25% coupon, convertible into common stock at $60 per share. This structure was designed to make the investment appear safer than the underlying business risk.
However, between 1990 and 1994, USAir accumulated losses of $2.4 billion, nearly wiping out shareholder equity, and suspended dividend payments on Berkshire's preferred shares in 1994. Berkshire subsequently wrote down the investment by 75%. Buffett later characterized this trade as an "unforced error" and a product of "superficial analysis." Berkshire eventually recovered its principal, but Buffett admitted that was largely due to luck.
In 2016, Berkshire re-entered the sector, taking positions in four major carriers: American Airlines, Delta Air Lines, United Airlines, and Southwest Airlines. The logic at the time was that industry consolidation, multiple bankruptcies and restructurings, and capacity discipline created an opportunity for substantial returns by buying airline stocks at low valuations—Buffett did not recant his view that airlines were a bad business, but believed the timing was right. By the end of 2019, Berkshire held approximately 11% of Delta, 10% of American, 10% of Southwest, and 9% of United.
In April 2020, Berkshire sold all these holdings, incurring significant losses, and explicitly stated it was unwilling to continue providing capital to businesses that "would be burning cash for an extended period."
The Third Entry: The New Leadership's Calculus This investment in Delta represents an independent decision made by Berkshire under its new management.
In terms of scale, $2.6 billion is a drop in the bucket compared to Berkshire's massive cash hoard of roughly $400 billion. Effectively deploying this cash is a core challenge for the new management. The Delta position ranks as Berkshire's fourteenth-largest investment, indicating this remains a tentative, exploratory allocation in terms of priority.
Notably, unlike the diversified approach in 2016, Berkshire has this time chosen only Delta Air Lines, indicating a more concentrated and deliberate intent. Delta was evidently pleased to proactively disclose this information, being the first to announce it in its own 13F filing.
This marks Berkshire's third attempt in the airline industry. With the pressure of such substantial cash reserves, the market is closely watching to see if the new management will further increase its stake in the sector.
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