Order of the Court (Ninth Chamber) of 22 April 2021.#NT and Others v British Airways plc.#Request for a preliminary ruling from the Landgericht Düsseldorf.#Reference for a preliminary ruling – Article 99 of the Rules of Procedure of the Court of Justice – Air transport – Regulation (EC) No 261/2004 – Article 2(b) and Article 7(1) – Compensation for long delays at the final destination of a connecting flight – Connecting flight with several flight segments – Single booking – Cancellation of a flight segment by a carrier other than the one with which the single booking was made – Operating air carrier – Distance to be taken into account for the purpose of determining the amount of compensation.#Case C-592/20.