The Boeing 737-800 is the best-selling version of the successful Next-Generation 737 family. Known for its reliability, fuel efficiency and economical performance, the 737-800 is selected by leading carriers throughout the world because it provides operators the flexibility to serve a wide range of markets. The single-aisle jet, which can seat between 162 to 189 passengers, can fly 260 nautical miles farther and consume 7 percent less fuel while carrying 12 more passengers than the competing model.