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Markdown edition

# United restricts unauthorized AI booking agents

> The airline is limiting access across direct and indirect channels.

By BIGCHANGE.AI Editorial

Published: 2026-11-12T00:47:38.584Z
Updated: 2026-11-12T00:47:38.584Z
Canonical: https://bigchange.ai/blog/united-restricts-personal-ai-booking-agents

![A traveler uses a laptop at an airport.](https://bigchange.ai/api/media/file/airport-traveler-concept.png)
AI-generated conceptual illustration for BIG CHANGE

United said November 11 it is restricting unauthorized personal AI agents across its platforms, travel agencies and aggregators.

## The big change

- The restriction concerns software acting for travelers, not a general ban on human travel agents. Asking for itinerary suggestions and authorizing a purchase are different actions.
- Existing reservations need a separate check from new bookings. Travel Weekly reports United will honor agent-made bookings predating November 11.
- Airline access policy and hazardous-material notification rules are different questions. The federal provision concerns presenting safety information and, in specified self-service circumstances, acknowledging receipt; it does not name AI agents.

## From advice to a transaction

A personal AI agent is software intended to carry out tasks for a user. For example, suggesting a flight leaves the user to complete the purchase; submitting a reservation or changing an account takes action through another service. A traveler's instruction alone does not establish what that service permits.

[PhocusWire reports](https://www.phocuswire.com/news/technology/united-blocks-third-party-ai-agents-from-app-website) that agencies cannot use third-party personal agents for United bookings and need permission for their own AI tools. Its account also covers unauthorized bots and browser extensions. United's linked policy page did not render in our check; these details remain attributed to the reporting.

[Travel Weekly](https://www.travelweekly.com/Travel-News/Airline-News/united-blocks-unauthorized-ai-bookings) reports no authorization agreements had been reached. Before relying on a booking tool, ask what it is authorized to do and who handles errors. Check an existing reservation's actual itinerary and payment details; a conversational assurance is not a substitute for the reservation record.

## United's reasons and the safety rule

[United cites](https://united.mediaroom.com/news-releases?item=125496) credential exposure, unintended purchases, account changes and mileage use, plus possible safety-rule violations during check-in. Its statement supplies neither incident evidence nor an enforcement timetable.

The [2025 official edition of 49 CFR 175.25](https://www.govinfo.gov/content/pkg/CFR-2025-title49-vol2/pdf/CFR-2025-title49-vol2-part175.pdf) requires a passenger-notification system about forbidden hazardous materials. Information must be presented at ticket purchase or, if impractical, another way before boarding-pass issuance. It must also be presented when the boarding pass is issued, or before boarding if no pass is issued.

When ticket purchase or boarding-pass issuance can be completed without another person's involvement, the rule requires passengers to acknowledge that the information was presented. This is acknowledgment of receiving the notice, not the same wording as a declaration that a bag contains no forbidden items. That distinction matters when assessing what a check-in screen actually asks someone to confirm.

[FAA guidance](https://www.faa.gov/documentLibrary/media/Advisory_Circular/AC_121-40.pdf) discusses acknowledgment by a passenger or someone acting on their behalf. It does not say that an AI agent is an acceptable substitute. The circular expressly says it is guidance, not a regulation.

Neither document determines whether a particular AI-assisted interaction complies. That would require examining the actual process and applicable requirements. No booking, account access or AI check-in was tested for this article.

## Sources

- [United announcement](https://united.mediaroom.com/news-releases?item=125496) — Restriction and stated reasons.
- [PhocusWire reporting](https://www.phocuswire.com/news/technology/united-blocks-third-party-ai-agents-from-app-website) — Reported agency and customer guidance.
- [Travel Weekly reporting](https://www.travelweekly.com/Travel-News/Airline-News/united-blocks-unauthorized-ai-bookings) — Prior bookings and authorization.
- [49 CFR 175.25](https://www.govinfo.gov/content/pkg/CFR-2025-title49-vol2/pdf/CFR-2025-title49-vol2-part175.pdf) — Passenger hazardous-material notification.
- [FAA passenger notification guidance](https://www.faa.gov/documentLibrary/media/Advisory_Circular/AC_121-40.pdf) — Notification methods; nonbinding guidance.