History shows that the FAA only releases airports (in other words, allows the airport to be decommissioned) under extreme circumstances such as:
-
Litigation, which was the case for Santa Monica Airport
-
An act of Congress that requires them to do so, as with Banning Airport in California
-
When an entirely new replacement airport is built, such as Stapleton Airport which was replaced by Denver International Airport, and Mueller Airport which was replaced by Austin–Bergstrom International Airport.