British Airways premium economy was the last flight I flew over the Atlantic and one of the first times in recent history I’ve flown something other than business or First class. Being a daytime flight between London and Seattle, the price for Premium was just right and I knew I needed to catch up on work and not sleep. So a domestic first class seat it would be, aka Premium economy for my flight home after a lovely National Geographic Expedition. On the transatlantic hop from London Heathrow to Seattle, I had the chance to revisit World Traveller Plus on one of BA’s 777s. It’s a product I’ve flown only two other times before, over 10 years ago. I flew British Airways Pemium economy on the 747 , and from Los Angeles to London on the A380 .  10+ Years later, the product is still decent and offers a nice upgrade with more space than economy. The Ground Experience Let’s start with expectations: premium economy doesn’t buy you much at Heathrow.…