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United Airlines is the largest North American operator of the Boeing 777-300ER, with a fleet of 22 aircraft. The airline first received this model in December 2016 and continues to use it for long-haul international and domestic flights. According to ch-aviation data, United's oldest 777-300ER is nearly nine years old, while its newest is just over five years old.
The aircraft features three main cabins: business class, premium economy, and economy class. Economy class has 266 seats arranged in a 3-4-3 configuration, each with a pitch of 31 inches and a width of 17.1 inches. Rows 56 and 57 offer a more private arrangement with a 2-4-2 layout due to the fuselage curvature, making them preferable for pairs seeking privacy.
For passengers wanting more space, United offers Economy Plus with 62 extra legroom seats at a pitch of 34 inches. The first row (row 30) provides additional room behind the bulkhead.
