United Airlines CEO Scott Kirby has publicly confirmed in late May 2026 that he formally approached American Airlines CEO Robert Isom about exploring a combination that would have created β by a substantial margin β the largest airline in the world. American's management closed the door publicly within days, issuing a statement saying it was "not engaged with or interested in any discussions regarding a merger with United Airlines."
The combined entity would have controlled roughly 1,800 mainline aircraft, served over 700 destinations, and generated north of $100 billion in combined annual revenue based on 2025 reporting β dwarfing the current global No. 1, Delta Air Lines. Kirby first floated the idea informally during a February 2026 meeting with President Donald Trump, and subsequently approached Isom directly. Bloomberg first reported the approach in April.
While American's C-suite shut the door, the carrier's pilots union has signaled it is open to merger or takeover discussions β a sharp and rare escalation of tension between labor leadership and management at a U.S. legacy carrier. Kirby has actively encouraged American's pilots to review his pitch on how such a combination could transform both carriers and, he argues, withstand DOJ antitrust scrutiny.
The personal history between the two CEOs adds drama. Both Kirby and Isom worked together at America West and US Airways for years before going their separate ways β Kirby eventually rose to become president of American Airlines before being pushed out in 2016 and landing at United as CEO in 2020. Industry observers describe the relationship as historically frosty.
Antitrust experts are divided. A UnitedβAmerican tie-up would almost certainly draw an aggressive DOJ challenge given the precedent of the JetBlueβSpirit block, but proponents argue that Spirit's May 2026 liquidation has fundamentally changed the U.S. domestic competitive landscape, and that consolidation may now be necessary to preserve global competitiveness against Gulf and Asian mega-carriers. For now, with American refusing to engage, Kirby has indicated he is dropping the active pursuit β though few in the industry believe this is the last word.
Compiled from publicly available aviation news sources. Featured image: AI-generated by AviationShop. This article is original editorial content; facts have been verified across multiple public sources.
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