Swiss International Air Lines is evaluating a damages claim against air navigation service provider Skyguide for the 21 June 2026 IT failure that cancelled 14 flights and affected 1,750 passengers. The legal review hinges on a February 2026 European Court of Justice ruling establishing that air traffic control IT failures can trigger economic liability for operators, though national courts must still define specific compensation scope. Swiss confirmed the claim targets only the June outage, excluding three other software disruptions this year, while Skyguide CEO Peter Merz acknowledged the potential financial exposure. The outcome depends on whether Swiss courts apply the ECJ precedent within the bilateral EU-Switzerland air transport agreement, with no damages amount disclosed as operational loss calculations remain pending.