Seat Map - Boeing 777-300ER - Airs

premium777This is our review of the United Airs premium economy cabin on a Boeing 777-200 flht from London to San Francisco.. My very first longThe third version of Boeing 777-300 has 298 seats divided into 4 classes: first, business, premium economy and economy. First class includes just 4 closed suites that are located in a row.