Last updated: October 21, 2026. This tracker lists every major AWS, Microsoft Azure, Google Cloud, and Cloudflare outage since January 2020, with each provider’s own stated duration, root cause, and source. It covers 62 major incidents. The median outage lasted 6h 12m, and the most common cause was a configuration or deployment change (20 of 62, 32%), not hardware failure.

We add new incidents as providers publish their post-incident reports. Control Plane publishes this tracker. Every row links to its source, usually the provider’s own post-mortem or status page, so you can verify it.

Key statistics

62 major outages since 2020: AWS 14, Azure 20, Google Cloud 12, and Cloudflare 16.

Median duration: 6h 12m ; mean 10h 01m across 55 completed incidents.

32% were caused by configuration or deployment changes , and another 23% by software bugs or automation.…