Tried and Tested: American Airs 777-300ER Premium Economy

premium777Air France-KLM has done an impressive job investing in its cabin products, particularly on long haul flhts. In mid-2022, KLM began installing premium economy onWorld Traveller Plus. Welcome to World Traveller Plus, our premium economy cabin. With fewer rows, the cabin is quieter, more spacious, and more exclusive than World Traveller.