All Employees: Transportation and Utilities: Air Transportation in Washington was 16.28235 Thous. of Persons in May of 2022, according to the United States Federal Reserve. Historically, All Employees: Transportation and Utilities: Air Transportation in Washington reached a record high of 16.38087 in March of 2020 and a record low of 10.15521 in September of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Transportation and Utilities: Air Transportation in Washington - last updated from the United States Federal Reserve on April of 2024.