Aircraft seat width min-max. 20.9 in 53 cm. 17.3 in 44 cm. 16.3 in 41 cm. UNDERSEAT DIMENSIONS (depth x width x height) 17 in x 19 in x 10.7 in. 13 in x 13 in x 8 in. The air travel debate of the moment – about seat width on planes – is an easy one to be seduced by. Airbus released a marketing campaign last month claiming 18-inch-wide seats – compared to Daimler suggests flying with Midwest Express, whose Signature Service has 21"-wide seats, the widest coach seats in the US. United's new Embraer 170 jets have 18.25"-wide seats, and JetBlue's planes have 17.8"-wide seats. Delta's 767-300ER planes, United's 777-200 and 767-300, Independence Air's Airbus 320s, and all Frontier and AirTran planes If a passenger requires two seats, then the policy differs from airline-to-airline if/what the passenger should be charged for it. On London to Sweden flights, British Airways flies Airbus A319/A320-100/200 aircraft with a seat width of 17" (43 cm) in Economy and 18.5" (47 cm) in Premium Economy ("World Traveller Plus"). Standard of Excellence. The A320 Family’s longest-fuselage member, the A321, offers the best seat-mile costs of any single-aisle aircraft – with passenger capacities comparable to that of a wide-body jetliner. This stretched-fuselage aircraft has an overall length of 44.51 metres, providing ample room to comfortably accommodate between 170 The pitch and width of airline seats are crucial factors on the comfort of passengers. The aim of this study is to measure the comfort feeling of passengers regarding different widths and together with data from a previous study, to offer suggestions on the aircraft interior design. 311 participants were recruited and were asked to sit in 17-inch-wide and 18-inch-wide aircraft seats in a CHILD SEAT FIT GUIDE Aircraft seat width min-max. 21 in 53 cm. 18 in 46 cm. 16.3 in 41 cm. UNDERSEAT DIMENSIONS (depth x width x height) 19 in x 18 in x 11 in. Economy. There's less variation from short-haul to long-haul in the dimensions of economy seats than with the premium cabins. They're typically 17-18 inches (43-46 cm) wide on either short-haul or long-haul. Some very-low-cost airlines even have a 16-16.5 inches (40-42 cm). y0YDjs.