**A landmark reform after 13 years of negotiations** The European Union has finally adopted a comprehensive revision of Regulation (EC) 261/2004, the cornerstone of air passenger rights in the EU. After more than a decade of political wrangling between airlines, member states, and consumer groups, the new text was approved by the European Parliament in early July and subsequently endorsed by the Council. The reform, which will enter into force in 2027, does not overturn the existing framework but addresses numerous “grey areas” that carriers and intermediaries have exploited. For ATPL and ATC students, this is a critical development: understanding these rules is essential for operational decision-making, especially when handling delays, cancellations, and passenger communications. **Compensation: status quo on the three-hour threshold** One of the most contentious issues was the delay threshold that triggers compensation. Airlines had pushed for an increase to four or five hours, but the EU has kept the current rule: passengers are entitled to compensation for delays of three hours or more at arrival. The amounts remain unchanged: €250 for flights up to 1,500 km, €400 for intra-EU flights over 1,500 km and other flights between 1,500 and 3,500 km, and €600 for flights over 3,500 km. However, a new provision allows airlines to reduce compensation by 50% on long-haul flights if they offer a quick re-routing and the final delay does not exceed four hours. This compromise aims to balance passenger protection with airline operational realities—a nuance that ATC students should note when managing flow control and delay attribution. **No-show clause banned, family seating and name corrections addressed** The reform tackles several practices long criticized by consumer advocates. The “no-show” clause, which allowed airlines to automatically cancel a return ticket if a passenger missed the outbound flight, is now prohibited. Carriers can no longer deny boarding on the return leg solely because the previous segment was not used, nor charge punitive fees. Additionally, airlines cannot charge extra for seating next to a child under 14, a person with disabilities, or a pregnant woman, and they must not deliberately separate family members to sell paid seat options. Minor name corrections (e.g., a spelling mistake) can no longer incur fees, and printing a boarding pass at the airport must be free if online check-in was completed. These changes directly affect passenger flow and check-in procedures—relevant for both pilots and controllers who interact with ground staff. **Cabin baggage: no free trolley, but mandatory transparency** Contrary to social media rumors, the reform does not make cabin trolley bags free for all passengers on intra-European flights. Instead, it establishes a minimum right to carry one personal item (handbag, small backpack) that fits under the seat, free of charge. Airlines must now display a price that includes the cost of a carry-on bag from the very first search result, tackling the “drip pricing” practice where base fares appear low but extras are added progressively. This transparency requirement applies to both airlines and booking platforms, ensuring fair comparison. For ATPL students, this is a reminder of how regulatory changes impact airline business models and passenger expectations—factors that influence load factors and operational planning. **Claims procedures and “extraordinary circumstances” clarified** The revision simplifies the claims process: passengers can now seek compensation directly from the operating carrier, regardless of whether they bought the ticket through a third party. Intermediaries face stricter information and transparency obligations. The definition of “extraordinary circumstances” (which exempt airlines from compensation) remains largely unchanged, but the reform aims to reduce litigation by clarifying procedures. For ATC students, understanding these rules is vital when assessing whether delays are attributable to air traffic control or other factors, as this affects airline liability and passenger rights.