A June Federal Aviation Administration (FAA) safety memo identified Rocky Mountain Metropolitan Airport (RMMA) as having more incidents than any other airport in the nation.

The document, reported by CBS Colorado, stated that the Denver metro area airport “currently leads the National Airspace System (NAS) in the number of Potentially Significant Events (PSEs), which include both runway incursions and airborne safety incidents.”

Despite its much smaller size compared to Denver International Airport, the FAA cited RMMA’s growth as a contributing factor for addressing operations and safety issues.

The FAA introduced operational changes effective June 16, 2025, implementing structured ground traffic flows in coordination with local flight schools and airport users. An FAA spokesperson told

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