On the transatlantic leg, United's Polaris product is the most familiar option for Dulles travelers — a proper lie-flat pod in 1-2-1 configuration, Polaris lounge access at IAD, and Saks Fifth Avenue bedding that makes the overnight hop tolerable. British Airways' Club Suite adds a closing door for genuine privacy, paired with White Company linens, and routes through London. Lufthansa's newer Allegris suites on the A350 are arguably the most modern hard product in this whole lineup, with German-engineered seating and service that's noticeably more polished than the airline's older cabins. Turkish Airlines brings DO&CO catering and a stopover-worthy Istanbul lounge if you want to break up the trip; Finnair and SAS both offer clean, minimalist Nordic cabins with strong lie-flat comfort and less crowded hubs than Heathrow or Frankfurt; and Air France rounds things out with La Première lounge access in Paris and consistently good food service. All seven carriers run 1-2-1 lie-flat layouts, so seat comfort differences come down to privacy (BA's door), seat width, and connection convenience rather than basic recline.