United Airlines allows third-party AI agents to search routes, compare schedules and display fares, but bars them from booking a seat or completing a transaction without human intervention or a direct partnership. The policy follows the airline’s existing terms of use, which restrict unauthorized automated activity. United has not confirmed any specific technical measures against AI agents, while its booking-related APIs remain protected by access keys. Like Delta Air Lines, JPMorgan Chase and Amazon, the carrier seeks to limit fraud and seat-inventory manipulation while preserving a direct relationship with customers. As of November 2026, no major US airline has officially integrated third-party agent bookings.
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