According to the wine industry advisor, 

Fillaboa, the Masaveu’s Family Vineyards winery belonging to the Rías Baixas DO, is one of the most highly rated white wines by airlines and their passengers. 

Due to its excellent quality, an important airline such as United Airlines has come to an agreement with the Galician winery to incorporate Fillaboa 2018 as an official wine in the Polaris business class, on international long-haul flights to Europe and South America. United Polaris business class is the US airline’s commitment to exclusivity and excellence, this service is provided for the entire fleet of international long-haul flights.  

Read more at source: wine industry advisor