Southwest Flight Departed From Closed Runway, Sparking Inquiry a recent incident involving a Southwest flight has raised concerns after it departed from a closed runway, prompting an official inquiry. The flight's departure from an inactive runway has sparked investigations into air traffic control procedures and safety protocols at the airport. How such a breach affects the risk and the risks are evaluated. Southwest Airlines has pledged full cooperation with the investigation to ensure incidents like this are prevented in the future, emphasizing passenger safety as a top priority.