Is this Illinois airport a failed pork barrel project or a strategic military asset?
In short: Opened in 1997 to relieve congestion at St. Louis Lambert International, MidAmerica St. Louis Airport was famously mocked as a gateway to nowhere. Yet, beneath the criticism, it has evolved into a vital hub for military testing, cargo logistics, and a growing base for Boeing’s advanced aviation production.
MidAmerica St. Louis Airport, located 18 nautical miles east of downtown St. Louis, was conceived as a secondary passenger hub to alleviate crowding at St. Louis Lambert International Airport. Early in its history, the project faced intense scrutiny, appearing on NBC Nightly News as a symbol of government waste. Critics labeled it a gateway to nowhere, noting that the anticipated congestion at Lambert never materialized after American Airlines ended its hub operations and a new runway opened in 2006. By 2021, St. Clair County taxpayers had spent nearly $125 million covering the airport's operational deficits, with construction debt obligations extending until 2045.
Despite the controversy, the facility has found a distinct purpose as a joint-use site with Scott Air Force Base. Supporters argue that the airport’s additional runway was instrumental in preventing the closure of Scott AFB during the 2005 Base Realignment and Closure process. Today, the airport serves as a critical node for Boeing Defense, Space & Security, which utilizes the site for testing military drones, including the MQ-25 Stingray. This partnership has expanded significantly, with Boeing investing over $1 billion in new production facilities at the airport to support unmanned aircraft manufacturing.
The airport is also carving out a niche in commercial and cargo operations. While passenger traffic has fluctuated—with several airlines like Pan Am and Great Plains Airlines failing in the early 2000s—Allegiant Air has provided consistent service since 2012. Furthermore, the airport is expanding its infrastructure to support future growth, including a terminal expansion project and a 5.2-mile MetroLink light rail extension expected to be operational by 2026. With specialized facilities for refrigerated cargo and a strategic location, MidAmerica continues to balance its reputation as a taxpayer-funded burden with its reality as a functional, albeit niche, aviation asset.
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