Watertown Regional Airport is a public airport located in Codington County, South Dakota, United States. It serves the city of Watertown and the surrounding areas, providing essential air transportation services to residents and visitors alike. The airport is situated approximately three miles northwest of the city center and covers an area of 1,100 acres.

The airport has a single asphalt runway, designated 13/31, which measures 6,901 feet in length and 100 feet in width. This runway is capable of accommodating a wide range of aircraft, from small private planes to larger commercial jets. Additionally, the airport features a terminal building that houses various amenities and services for passengers, such as ticketing counters, baggage claim areas, restrooms, and rental car facilities.

Watertown Regional Airport offers scheduled commercial flights through SkyWest Airlines, operating as United Express, which provide convenient connections to major hubs such as Denver International Airport and Chicago O'Hare International Airport. These flights allow passengers to access a wider network of destinations both domestically and internationally, making Watertown Regional Airport a vital link in the region's air transportation system.

In addition to commercial flights, the airport also serves as a vital hub for general aviation activities, supporting private pilots, flight schools, and other aviation-related businesses. The airport offers a range of services for general aviation users, including fueling facilities, aircraft maintenance, hangar rentals, and flight training. These services help to support the local economy and promote the growth of the aviation industry in the region.

Watertown Regional Airport plays a crucial role in supporting the economic development of the region by facilitating business travel, tourism, and trade. The airport serves as a gateway for businesses to access markets across the country and around the world, allowing them to connect with clients, suppliers, and partners in a timely and efficient manner. Additionally, the airport attracts visitors to the region, boosting tourism and generating revenue for local businesses.

The airport also serves as an important emergency response and disaster relief asset for the community. In times of natural disasters or other emergencies, the airport can serve as a staging area for relief efforts, allowing for the rapid deployment of personnel and supplies to affected areas. Additionally, the airport can serve as a lifeline for residents in need of medical evacuation or other urgent transportation services.

Overall, Watertown Regional Airport plays a vital role in connecting the city of Watertown and the surrounding areas to the rest of the world. Whether it's for business, leisure, or emergency purposes, the airport provides essential air transportation services that help to support the economic, social, and cultural development of the region. With its modern facilities, convenient location, and diverse range of services, Watertown Regional Airport is a valuable asset for both residents and visitors alike.