TL;DR
United Airlines revised its contract of carriage on November 11, 2026, to prohibit unauthorized third-party AI agents from booking, changing or servicing tickets and other products. The rule applies even when a passenger supervises or approves the agent’s actions; United says customers can still use AI to search for flights but must complete purchases themselves.
United Airlines revised its contract of carriage on November 11 to prohibit unauthorized third-party AI agents from booking, changing or servicing tickets, even when a passenger supervises or approves the software’s actions. The policy also covers purchases of other products or services offered through United, and the airline says it is restricting agent access on its own digital platforms and through travel agencies and aggregators.
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The contract adds “the use of AI Agents to make, modify or service a Ticket” to its list of prohibited practices. Its definition, as published by travel industry outlets, covers software that takes autonomous or semi-autonomous action to search for, book, purchase, ticket or manage United products. It includes AI-enabled browsers, standalone agents and assistants that reach United through a travel agency or another intermediary. The text does not name specific AI products.
Passenger approval does not create an exception under the quoted definition: it applies “whether or not Passenger or another individual supervises or approves” the agent’s actions. United’s announcement says the restrictions apply both directly on its website and app and indirectly through agencies and aggregators. The Wall Street Journal, as cited by View from the Wing, reported that AI tools may still search for flights and display fares, while customers must make the purchase themselves.
United’s announcement cites risks from sharing account credentials with third-party assistants, including exposure of sensitive information, unintended purchases and changes to accounts or MileagePlus miles. It also says automated actions could conflict with FAA and Department of Transportation rules, giving flight check-in acknowledgments about prohibited baggage contents as an example. Those are United’s stated reasons; the source material does not include a detailed regulatory analysis confirming how the rules apply to each agent activity.
A Human Approval Is Not Enough
The policy draws a boundary between using AI to help find a flight and using it to carry out a transaction. For travelers, that means an assistant may help compare options, but the customer must complete the booking if the tool falls within United’s definition. The scope also reaches beyond ticket purchase to ticket changes, servicing and other United products, including seats and upgrades, as described in the contract text reproduced by travel outlets.
For companies building personal agents, the rule raises a practical access question: a user’s permission may not satisfy a provider’s conditions for automated actions. Skift described United as the first U.S. airline to state such a restriction explicitly. The source material also points to differing approaches elsewhere: Amazon and JPMorgan Chase have blocked outside agents, while Southwest and Expedia are working with ChatGPT. Those examples show varied company policies, but they do not establish a common industry standard.
Adoption remains limited, according to the figures cited in the source article. Uber counted four agent-booked rides in a week with about 320 million trips and orders. That is a raw count, not evidence of a particular growth rate or market share. The figure suggests agent transactions are still rare in that example, while the United rule may matter now as a signal of how businesses could set terms before automated purchasing becomes more common.
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United’s Contract Sets the Boundary
Personal AI agents are promoted as tools that can carry out multi-step tasks, such as finding a flight that fits a traveler’s budget and preferences, booking it and handling check-in. The source article says Meta chief executive Mark Zuckerberg described travel as a “top use case” for the company’s Muse agent. That describes a proposed use for the technology; it does not establish that the agent can complete United transactions under the new policy.
United’s press release said the airline was taking steps to restrict access and updating booking, ticketing and distribution policies. The detailed contract language was reported by View from the Wing, One Mile at a Time and PPC Land, which reproduced text they attributed to the contract revised November 11. The source article’s author said United’s website could not be loaded during research, so the wording here is based on published quotations from those outlets, not an independent review of the live contract.
The contract language also describes possible consequences. As reported by PPC Land, United may cancel reservations made, modified or serviced by AI agents without notice. The cited remedies clause lists measures including invalidating tickets, charging the full ticket value, deleting miles or ending MileagePlus membership. PPC Land noted that the text does not say whether United intends to apply those remedies to agent bookings. Its account of the contract also says tickets issued before November 11 are governed by the contract in effect on their issue date; that is the outlet’s reading of the cited provision.
““United is taking steps to restrict access – directly within our digital platforms and indirectly via travel agencies and aggregators – to prohibit use by unauthorized, third-party personal AI agents or assistants.””
— United Airlines, in its press release
Enforcement Details Remain Open
The source material does not establish how United will identify agent activity, how it will distinguish prohibited agents from other automated tools, or how consistently it will enforce the contract across travel agencies and aggregators. The contract’s listed penalties describe available remedies, but United has not said in the cited material which it plans to use for agent bookings.
The specific application of the FAA and DOT rules also remains unclear. United gave check-in acknowledgments about baggage as an example, but the supplied reporting does not include an agency response or a full legal analysis of whether a human-supervised agent could meet each relevant requirement. The source text ends before detailing the cited federal baggage rule, so its full terms cannot be assessed from this material.
It is also unclear whether the policy will change how AI providers or travel intermediaries connect to United, or whether other airlines will adopt similar contract terms. The examples of other companies’ agent policies and partnerships do not show what those companies will do in response to United’s change.
Watch United’s Booking Channels
The immediate next step is for travelers and travel intermediaries to follow United’s updated booking and ticketing terms. Customers using an AI assistant can ask it to search or compare options, according to the reporting, but should expect to complete any United purchase themselves unless the airline clarifies an approved method.
Further detail may come through changes to United’s booking tools, distribution policies or customer guidance. The cited announcement does not provide a timetable for those changes or explain how existing third-party connections will be handled. Any claims about enforcement, exceptions or a broader airline response remain unconfirmed in the available source material.
Key Questions
Can an AI assistant still search for United flights?
Yes, according to The Wall Street Journal as cited by View from the Wing. The reporting says an assistant may search and show fares, but the traveler must complete the purchase themselves.
Does passenger approval make an AI booking acceptable?
No, under the quoted contract definition. It covers agent actions whether or not a passenger or another person supervises or approves them.
Which AI products are covered?
The contract text does not name specific products. As reported by travel outlets, it covers a broad range of autonomous or semi-autonomous software, including AI-enabled browsers, standalone agents and assistants accessing United through intermediaries.
Could United cancel an AI-booked reservation?
The contract language reported by PPC Land allows United to cancel reservations made, modified or serviced by AI agents without notice. The source material does not say how often United will use that remedy or whether it will apply other listed penalties.
Source: Thorsten Meyer AI
