Sydney Airport is under increased pressure following three near-miss incidents within the last three weeks, prompting concerns about operational safety. While staffing-related delays have decreased, overall ground delays remain a persistent problem at the airport. Authorities are investigating the recent close calls to determine the root causes and prevent future occurrences. The first major issue contributing to these delays has been identified, though specifics haven't been fully disclosed. This situation raises questions about the effectiveness of current safety protocols and the overall management of air traffic operations. The airport is working to address the issues and reassure passengers about safety, but the incidents have highlighted vulnerabilities in the system. Further analysis is needed to determine if the decreased staffing delays are masking emerging problems.