The Boeing 777 is widely considered the most popular and successful long-haul wide-body aircraft in aviation history. Specifically, the 777-300ER became the "workhorse" for global airlines due to its incredible range and fuel efficiency compared to older four-engine giants like the Boeing 747 or the Airbus A380. As of 2026, the Airbus A350 and the Boeing 787 Dreamliner are rapidly catching up as the preferred choices for ultra-long-haul routes because their carbon-fiber designs allow for even better fuel economy and lower cabin altitudes, which reduces jet lag. While the Boeing 737 is the most produced plane overall, for crossing oceans and connecting continents, the "Triple Seven" remains the reigning king of the skies in terms of fleet numbers and reliability for major international carriers.