767-300 / UnitedBoeing 767 United Airlines airplane model. Announced simultaneously with the Model 757, the Boeing Model 767 introduced a completely new fuselage structure which is 4 feet 1 inch wider, providing seven or eight abreast seating with two aisles. In high density eight abreast configuration this airplane could accommodate a maximum of 289 passengers. The first Model 767 was rolled out at Everett, Washington, on August 4, 1981, and made a 2 hour 4 minute