United Airlines restricts unauthorized AI agents' access to its platform

United Airlines ($UAL) will restrict unauthorized third-party AI agents from accessing its digital platforms and has revised its booking, ticketing, and distribution policies, with the curbs covering indirect access routed through travel agencies and flight-data aggregators. The carrier said the restrictions target unauthorized external agents using those channels rather than the travel agencies themselves, while customers can still book, select seats, and change itineraries directly through its own app. The move matters because it asserts airline control over how AI intermediaries query and transact on carrier systems, a flashpoint as consumer AI assistants increasingly act on behalf of travelers. What to watch next is how travel agencies and aggregators adapt their integrations, and whether rival carriers follow United in setting access rules for third-party AI agents.