Court of Justice (Third Chamber) 10 July 2019, C-163/18 (HQ and Others v Aegean Airlines SA.)

JUDGMENT OF THE COURT (Third Chamber) 10 July 2019 ( *1 ) (Reference for a preliminary ruling — Air transport — Regulation (EC) No 261/2004 — Common rules on compensation and assistance to passengers in the event of denied boarding and of cancellation or long delay of flights — Flight cancellation — Assistance — Right to reimbursement of the cost of the air ticket by the air carrier — Article