Judgment in Case C-532/17
Wolfgang Wirth and Others v Thomson Airways Ltd
In the case of long delay of a flight, the air company which must pay the
compensation owed to passengers is not the air company which leased the aircraft
and its crew, but the air company which decided to perform the flight.
For more info visit: https://curia.europa.eu/jcms/upload/docs/application/pdf/2018-07/cp180100en.pdf