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FlightAware Sues Kalshi Over Flight Cancellation Bets

August 11, 2026

2 min read

Key Takeaways

FlightAware sues Kalshi for using its data without permission.
Lawsuit alleges trademark infringement and unauthorized data use.
Kalshi operates prediction markets for US flight cancellations.
FlightAware seeks temporary restraining order and permanent injunction.

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Strategic Implications

This lawsuit may indicate a growing concern over data privacy and intellectual property in the aviation industry. The dispute suggests that companies like FlightAware could be more protective of their data, which could impact the development of prediction markets and other data-driven services.

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What Happened

Dispute Centers On Unauthorized Data Use And Trademark Infringement

Flight-tracking company FlightAware has filed a lawsuit against prediction-market operator Kalshi, alleging unauthorized use of its data and trademark to settle wagers on US flight cancellations. The dispute began in July 2026, when Kalshi disclosed plans to use FlightAware data to determine the outcome of contracts tied to flight cancellations. FlightAware immediately objected, and the company has since repeatedly sent cease-and-desist demands to Kalshi. The lawsuit raises broader concerns about the potential for prediction markets to create incentives for disruptions to air travel. According to AeroTime, Kalshi has faced challenges from states that argue some of its contracts amount to gambling.

Source | Originally Published: August 11, 2026

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