How often does OpenStax go down?

OpenStax reported 0 incidents in the last 90 days (0 major or critical), with 0 minutes of major outage: 100% uptime.

When was the last OpenStax outage?

The latest reported incident started on Jun 11, 2026, 16:57 UTC: "Instructor Verification Processing Delays", resolved after 2 h 16 min.

Is OpenStax down right now?

All Systems Operational Official status as of Oct 26, 2026, 16:17 UTC (refreshing…)

100%

uptime, 90 days

incidents, 90 days

—

median time to fix

Jun 11, 2026

last incident

OpenStax incidents per month, last 12 months. Red: months with a major or critical outage.

Started (UTC)	Incident	Impact	Duration
Jun 11, 2026, 16:57 UTC	Instructor Verification Processing Delays	Major	2 h 16 min
Feb 4, 2026, 17:31 UTC	Resolved: Assignments with smart attempts disabled are down	Minor	31 min
Jan 15, 2026, 15:54 UTC	Instructor error messages	Minor	4 h 06 min
Jan 14, 2026, 18:41 UTC	Assignable performance restored	Minor	1 h 23 min
Oct 20, 2025, 15:42 UTC	AWS service restored	No impact	23 h 34 min
Jul 30, 2025, 20:40 UTC	Login / Signup is not working from openstax.org	Major	47 min
Jun 5, 2025, 22:08 UTC	Bug: Course activation prompt not being shown to instructors	Minor	4 days 19 h

7 incidents in our archive since June 5, 2025.

Most incidents start on Wed.

Is OpenStax down right now?: At our last check OpenStax's official status page reported: All Systems Operational. This page refreshes the status every few minutes.
How often does OpenStax go down?: OpenStax reported 0 incidents in the last 90 days (0 major or critical), with 0 minutes of major outage: 100% uptime.
When was the last OpenStax outage?: The latest reported incident started on Jun 11, 2026, 16:57 UTC: "Instructor Verification Processing Delays", resolved after 2 h 16 min.