Many major airlines around the world use Boeing aircraft because of their reliability, advanced technology, and efficiency. When looking at What Airlines Use Boeing, some of the most well-known include American Airlines, United Airlines, Delta Air Lines, Emirates, British Airways, and Lufthansa. These carriers operate Boeing models like the 737, 777, and 787 for both short and long-haul routes. Boeing planes are trusted by these airlines to deliver safe, comfortable, and cost-effective travel experiences for millions of passengers worldwide.