Sidney–Richland Municipal Airport

[1] The airport is served by one airline, subsidized by the federal government's Essential Air Service program, at a cost of $3,777,579 (per year).

[5] Scheduled air service temporarily ceased on March 8, 2008, when Big Sky Airlines ended operations due to a bankruptcy.

In 1985, Big Sky was operating nonstop flights into the airport from Billings and Williston, ND as an independent air carrier with Fairchild Swearingen Metroliner commuter propjets.

[14] Big Sky Airlines then began serving the airport during the early 1980s primarily with Handley Page Jetstream and Fairchild Swearingen Metroliner commuter propjets with nonstop flights from Billings, Glendive and Williston.

[1] In 2009 the airport had 6,815 aircraft operations, average 18 per day: 59% general aviation, 26% airline, 15% air taxi, and <1% military.