Recent short-duration GitHub incidents, including multiple Actions job delays under three hours on October 1 tied to Azure upstream throttling and run-start issues, anchor trader expectations for a longest critical incident below one hour. Yet the closely matched 6-12 hour band reflects historical precedents of cascading failures from traffic spikes, database contention, or dependency outages that have extended to seven or more hours in prior months. Platform complexity around GitHub Actions, Copilot, and shared infrastructure, combined with rising AI-driven load, creates uncertainty around whether mitigation succeeds quickly or escalates. Key swing factors include root-cause isolation speed and whether an event hits peak usage periods.