Per Case C‑367/20 (Infocuria Case-law) “in the case of connecting flights, where there are two flights which are the subject of a single reservation, departing from an airport located within the territory of a third country for an airport located in a Member State via the airport of another Member State, a passenger who suffers a delay of three hours or more in reaching his or her final destination, the cause of that delay arising in the first flight operated, under a code-share agreement, by a carrier established in a third country, may bring his or her action for compensation under that regulation against the Community air carrier that performed the second flight.”