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X Root

Built at Meta Global AI Developer Hackathon · Oct 26, 2026 · Remote

X Root — Demo video

RouteX is an AI-assisted travel disruption recovery system designed to help travelers respond intelligently when unexpected events disrupt their journeys. Unlike conventional travel planners that primarily focus on creating itineraries, RouteX focuses on recovering journeys that have already gone wrong. When a disruption such as a missed flight connection occurs, the system evaluates alternative recovery pathways against the traveler's constraints, including arrival deadlines, available budget, minimum connection times, transit restrictions, and operational feasibility. The prototype demonstrates a missed-connection recovery workflow using synthetic travel scenarios. It evaluates alternative routes, identifies hard-constraint violations, explains why certain alternatives are unsuitable, and presents feasible recovery options for traveler review and authorization. Its core architecture separates AI-generated suggestions from deterministic verification. AI can assist with interpreting disruptions and proposing alternatives, while the recovery engine independently evaluates whether those alternatives satisfy the defined constraints. The goal is to move beyond itinerary generation towards explainable, constraint-aware, and traveler-controlled travel recovery.

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