TLDR
- American Airlines turned down United Airlines’ consolidation proposal, stating it would harm competition and customers
- Crude oil prices surged 6% amid uncertainty surrounding US-Iran diplomatic negotiations, pressuring airline equities
- American Airlines stock declined 3% in premarket trading Monday, erasing Friday’s rally
- Flight operational challenges escalated — Southwest alone delayed more than 1,200 flights on Sunday
- American Airlines releases quarterly results Thursday; United and Southwest also announce earnings this week
American Airlines shares tumbled 3% during Monday’s premarket session following the carrier’s firm rejection of merger discussions with United Airlines announced late Friday evening.
American Airlines Group Inc., AAL
“American Airlines is not engaged with or interested in any discussions regarding a merger with United Airlines,” the carrier declared in an official statement.
The Dallas-based airline emphasized that such a combination would prove “negative for competition and for consumers,” while violating fundamental antitrust regulations.
United’s Chief Executive Scott Kirby had presented the merger concept to the Trump administration during White House meetings in February. Sources indicate he’d been exploring the possibility since autumn of last year.
Kirby contended that an enlarged United could more effectively compete for travelers heading to Middle Eastern destinations, where regional airlines currently dominate market share. “If we’re bigger and have more offerings for those customers, possibly it’s more rational for them to fly us,” he explained.
A United-American combination would have created the globe’s largest airline entity. The merged carrier would control approximately 40% of U.S. domestic capacity, based on aviation analytics provider OAG’s data.
Cornell law professor George Hay offered a stark assessment of the regulatory obstacles: “This would be the biggest of all time. I can’t even see the slightest chance that a court would allow it.”
Crude Oil Surge Compounds Airline Woes
Separate from the merger developments, oil prices climbed 6% Monday amid renewed uncertainty regarding US-Iran peace negotiations. Escalating fuel expenses represent a direct headwind to carrier profitability.
Equities of United, Delta, and Southwest all retreated more than 2% during premarket hours. Travel leisure companies Royal Caribbean, Norwegian Cruise Line, and Carnival similarly dropped approximately 2%.
The selloff reversed Friday’s gains when these same stocks advanced following oil price declines after the Strait of Hormuz reopened to shipping traffic.
Operational Disruptions Mount
Widespread flight delays compounded industry pressures. Southwest experienced delays on more than 1,200 flights Sunday — representing roughly 29% of its operational schedule, FlightAware tracking data showed.
American delayed 799 flights, accounting for 22% of its schedule. Delta and United recorded delay rates of 16% and 13% of flights respectively.
American stock has declined 17% year-to-date, despite rallying 19% during April as optimism regarding Middle East diplomatic progress increased.
American Airlines equity jumped 8% last Tuesday following initial reports of United’s merger approach, then advanced another 4% Friday.
American Airlines unveils quarterly financial results Thursday. United Airlines and Southwest likewise release earnings reports this week.
Delta has already demonstrated capacity to largely offset rising fuel expenses. Whether rival carriers can similarly navigate these cost pressures remains uncertain.


