British Airways manages a fleet of 59 Boeing 777 aircraft, including 16 Boeing 777-300ERs. These planes primarily service British Airways' routes to the United States, though they also fly to other global destinations. According to aviation analytics company Cirium, the schedule for April 2025 includes a total of 722 flights and 183,388 seats for the 777-300ERs.
The aircraft will operate flights from London's Heathrow Airport to 28 destinations in the United States, while activities from London-Gatwick focus on leisure routes. "The Boeing 777-300 is a long-range, twin-aisle, twin-engine jet manufactured by Boeing, the American aerospace company. We operate these on routes to Asia and North America," stated British Airways.
Routes to the United States are scheduled for multiple daily flights, with New York-JFK being the busiest with 120 flights, followed by Los Angeles with 60 flights. Other US destinations include Washington-Dulles, Chicago-O'Hare, San Diego, Houston-George Bush Intercontinental, and Seattle.