In a significant legal development, the Finnish Market Court has upheld Finnair's policy of rejecting passenger compensation claims filed more than two months after a disrupted flight, dismissing objections from the Finnish Competition and Consumer Authority (KKV) and the Consumer Ombudsman. This ruling, dated April 17, 2026, validates Finnair's approach and spares the airline a potential €300,000 fine, reinforcing its ability to manage claims under EU Regulation EC 261/2004. The court found that Finnish consumer law does not specify a precise deadline for submitting compensation claims, granting airlines leeway to establish "procedural modalities" as long as they do not undermine the rights conferred by EU law. This means that in Finland, airlines can legally impose time limits on claim submissions, provided these limits are reasonable and clearly communicated to passengers, without violating general consumer protection principles. The case originated from concerns raised by the KKV and Consumer Ombudsman, who argued that Finnair was unfairly dismissing passenger claims as "late" without a solid legal basis. They contended that EU Regulation EC 261/2004 does not set a claim deadline, and Finnish legislation lacks provisions specifying a cutoff for retaining compensation rights. However, the court disagreed, ruling that the absence of a statutory deadline does not preclude airlines from setting one, as long as it is reasonable and transparently disclosed. This decision represents a setback for consumer advocates, as it formalizes an interpretation that favors airlines, potentially influencing other carriers operating in Finland to adopt similar policies. At the heart of this dispute is EU Regulation EC 261/2004, which establishes minimum passenger rights for cancellations, delays, or overbookings, including fixed compensations of up to €600 for long-haul flights delayed by over three hours. While the regulation sets eligibility criteria and compensation amounts, it leaves it to member states to determine prescription periods and claim deadlines. In Finland, unlike some other EU countries with clear legal or jurisprudential deadlines, this regulatory gap has allowed Finnair to argue that a two-month period is "reasonable" for claim submissions. The court's endorsement of this view underscores the variability in how EU regulations are implemented nationally, affecting passenger recourse and airline liabilities. For ATPL and ATC students, this ruling is a critical lesson in the intersection of aviation law and operational practices. It illustrates how airlines navigate regulatory ambiguities to manage financial risks and administrative burdens, impacting everything from customer service protocols to legal compliance strategies. Understanding such legal nuances is essential for future pilots and controllers, as it influences decision-making in disruptions, communication with passengers, and adherence to evolving industry standards. This case also highlights the importance of staying informed about national interpretations of EU regulations, which can vary significantly across Europe, affecting flight operations and passenger interactions in real-time scenarios.