Delta Air Lines’ 7 Boeing 737-900ER Routes From Seattle

Delta Air Lines operates a fleet of 240 Boeing 737 aircraft across multiple types, of which 163 are Boeing 737-900ERs, with an average age of 9.2 years. With the type’s maximum range of 2,950 nautical miles (3,390 miles), Delta primarily operates the type on numerous short-to-mid-range routes.