United Airlines Flight 585
United Airlines Flight 585 was a scheduled American domestic passenger airline flight from the now-decommissioned Stapleton International Airport in Denver to Colorado Springs Municipal Airport in Colorado Springs, Colorado.
On March 3, 1991, the Boeing 737-291, registered N999UA, and previously registered as N7356F when it was a Frontier Airlines aircraft, carrying 20 passengers plus a flight crew of 5 crashed while on final approach to runway 35 at the Colorado Springs airport. There were no survivors.
Follow the below link to learn more about the crash: