FlightAware has filed a lawsuit against Kalshi, the prediction market platform, alleging trademark infringement tied to the use of flight cancellation data. The suit, filed this week, claims Kalshi's contracts have caused injury to FlightAware's reputation and points to state authorities who have compared the offerings to gambling.
The Core of the Dispute
FlightAware, a company that tracks flight statuses and provides real-time aviation data, says Kalshi used its name and data in a way that misleads users. The lawsuit argues that Kalshi's contracts, which let people bet on whether flights will be canceled, trade on FlightAware's brand without permission. That, FlightAware contends, is trademark infringement.
The legal filing goes further, saying the association has damaged FlightAware's standing. The company built its reputation on accurate, reliable flight information. Being tied to speculative contracts, the suit argues, undermines that trust.
Gambling Comparisons
The lawsuit also cites state authorities who have likened Kalshi's contracts to gambling. Those comparisons, FlightAware says, make the misuse of its data even more damaging. If regulators view these products as bets, then FlightAware's name becomes linked to wagering on travel disruptions — a far cry from its core mission of helping passengers and airlines plan.
Kalshi has positioned itself as a regulated exchange for event contracts, not a gambling site. But the state-level scrutiny has been persistent. The lawsuit leans on that scrutiny to argue that the reputational harm is real and ongoing.
What FlightAware Wants
The suit seeks to stop Kalshi from using FlightAware's trademarks and data in its contracts. It also asks for damages, though the filing does not specify an amount. FlightAware is pushing for a court order that would force Kalshi to remove any references to the company and its data from its platform.
Neither company has commented publicly on the lawsuit. The case is in its early stages, and no hearings have been scheduled yet.
The Broader Context
This is not the first time Kalshi has faced legal pushback. The platform has been in and out of court with regulators over whether its products count as futures or gambling. But this case is different — it's a private company, not a government agency, taking action. FlightAware is arguing that its brand and data are being exploited, and that the gambling comparisons make the situation worse.
The outcome could hinge on how courts view the use of real-time data in prediction markets. If Kalshi's contracts are deemed gambling, FlightAware's trademark claim gets stronger. If they're seen as legitimate financial instruments, the case gets murkier.
For now, the next step is procedural. Kalshi will have to respond to the complaint, and the court will set a timeline. FlightAware is asking for a jury trial, which means this could drag on for months. The real question is whether Kalshi can convince a judge that its use of flight data is fair game — or whether FlightAware's reputation argument wins the day.




