United Airlines Bans AI Assistants From Booking Flights Over Cybersecurity Concerns

United Airlines has taken a hard line against AI assistants that book flights on customers’ behalf, citing cybersecurity risks and the possibility of violating federal aviation rules. The airline says that letting an AI share a user’s login could expose sensitive data, trigger unintended purchases, or drain MileagePlus miles.

The core of the problem is that AI agents can act on a user’s credentials without a human’s oversight. If a password leaks, the AI could book a flight, change an itinerary, or even check in a bag that contains prohibited items. United warns that such actions could breach federal regulations that require a human to confirm that luggage is compliant.

Our read: this ban signals a broader trend of companies tightening AI access to protect data and comply with industry rules. Banks like Bank of America have already urged customers not to share passwords with AI assistants, and United’s move adds a new layer of protection for travelers.

The airline’s policy update will affect both its own digital platforms and third‑party travel agencies and aggregators.

By blocking unauthorized AI agents, United aims to reduce the risk of credential theft and ensure that all flight bookings and check‑ins are handled by verified humans.

Travelers should be aware that sharing login information with any third‑party app, especially AI assistants, can expose them to security threats and unintended changes to their travel plans.

The airline’s decision underscores the importance of keeping account credentials private and monitoring booking activity closely.