Case C-20/24, Cymdek: Judgment of the Court (Seventh Chamber) of 6 March 2025 (request for a preliminary ruling from the Sąd Rejonowy dla m. st. Warszawy w Warszawie – Poland) – M1.R., M2.R. v AAA sp. z o.o. (Reference for a preliminary ruling – Air transport – Regulation (EC) No 261/2004 – Article 2(g) – Article 3(2) and (3) – Right to compensation in the event of a long delay to a flight – Scope – Passengers having a boarding pass – Proof of a reservation confirmed by the air carrier – Passengers travelling free of charge or at a reduced fare not available directly or indirectly to the public – Flight part of a package tour financed by a third party – Burden of providing payment)