Operational Failure Archive

A reference collection of breakdowns, root causes, and practical lessons based on past real-world companies operational failures.

Operational Failure Archive
Operational Failure Archive - Headroom HQ

A reference collection of breakdowns, root causes, and practical lessons based on operational failures at real-world companies.


OFA-01: Target Canada

Unvalidated data corrupted Target Canada's inventory system before launch, creating a catastrophic supply chain failure that led to a $4.1B collapse in 22 months.


OFA-02: Southwest Airlines

Southwest's $800M meltdown and $140M fine exposed the danger of unmonitored Tier 1 tech, cancelling 16,700 flights for 2M passengers when software failed without a functional backup.


OFA-03: Knight Capital

A manual deployment failure across eight servers left deprecated code active, causing a $440 million loss in 45 minutes that ended 18-year-old Knight Capital.