South Arkansas Regional Airport at Goodwin Field (ELD/KELD) is a public-use airport located in El Dorado, Arkansas, serving the surrounding Union County region. It provides essential air access to an area historically significant for oil production and petrochemical industry. The airport offers general aviation services and has hosted limited commercial airline service over the years, though scheduled commercial service has been intermittent. It is owned by the city of El Dorado and plays a supporting role in regional economic connectivity. Goodwin Field handles a mix of general aviation, charter, and occasional commercial traffic, with facilities including a fixed-base operator (FBO) to support private and business aircraft operations.