Last 90 Days
Outages
62
Major Outages
18
Minor Outages
34
Unranked Outages
10
Median Outage Length
1.2h
Most Affected Component
Actions
17 outages
As of October 28, 2026
GitHub - Reliability, Outage History and Analysis
Outage counts, major outages, and component-specific totals.
Time span: November 1, 2025 - October 28, 2026. The current month is partial. See the methodology
At a Glance
GitHub Outages: The Numbers
How We CalculateLast 12 Months
Outages
290
Major Outages
82
Minor Outages
182
Unranked Outages
26
Median Outage Length
1.3h
Most Affected Component
Actions
70 outages
As of October 28, 2026
Twelve-Month View
GitHub Outages by Month
MajorMinor
Number of outages (major/minor categorized only)Nov 2025 - Oct 2026
Bars are major and minor. Unranked outages are part of the totals above. The current month is partial.
Data Table
| Month | Major | Minor | Unranked |
|---|---|---|---|
| Nov 2025 | 3 | 13 | 1 |
| Dec 2025 | 5 | 8 | 3 |
| Jan 2026 | 3 | 22 | 0 |
| Feb 2026 | 7 | 30 | 0 |
| Mar 2026 | 6 | 24 | 2 |
| Apr 2026 | 10 | 17 | 2 |
| May 2026 | 9 | 9 | 3 |
| Jun 2026 | 7 | 15 | 3 |
| Jul 2026 | 14 | 11 | 2 |
| Aug 2026 | 7 | 11 | 9 |
| Sep 2026 | 4 | 10 | 0 |
| Oct 2026 (partial) | 7 | 12 | 1 |
Where Outages Happen
GitHub Outages by Component
Counts over the last 12 months. The names link to each component's status page on IncidentHub.
Comparative View
GitHub vs GitLab vs Bitbucket
These numbers are not a ranking. The number of projects hosted at GitLab or Bitbucket, and their traffic, differs from GitHub.
GitHubGitLabBitbucket
Number of outagesNov 2025 - Oct 2026
Each point is the number of outages that started in that month. Maintenance is excluded. The current month is partial.
Data Table
| Month | GitHub | GitLab | Bitbucket |
|---|---|---|---|
| Nov 2025 | 17 | 7 | 1 |
| Dec 2025 | 16 | 7 | 1 |
| Jan 2026 | 25 | 7 | 3 |
| Feb 2026 | 37 | 11 | 0 |
| Mar 2026 | 32 | 20 | 2 |
| Apr 2026 | 29 | 10 | 2 |
| May 2026 | 21 | 13 | 2 |
| Jun 2026 | 25 | 11 | 1 |
| Jul 2026 | 27 | 7 | 1 |
| Aug 2026 | 27 | 13 | 0 |
| Sep 2026 | 14 | 12 | 2 |
| Oct 2026 (partial) | 20 | 16 | 3 |
Why Outages Happen
GitHub Outages: Root Causes
Recorded categories for resolved outages in the last 12 months. Data based on GitHub's own outage reports.
Outages by recorded category
Each bar is the number of resolved outages recorded in that category over the last 12 months.
Not classified: 174
Data Table
| Category | Outages |
|---|---|
| Not classified | 174 |
| capacity / load / demand | 38 |
| configuration / deployment / change | 32 |
| third party / external dependency | 30 |
| database / data platform | 9 |
| infrastructure / network / hosting | 6 |
| software / application defect | 1 |
From GitHub
Events and Statements
A list of GitHub's own public posts on availability and incident reviews.
October 14, 2026
GitHub availability report: September 2026September 9, 2026
GitHub availability report: August 2026August 20, 2026
The August 17 outage, and the work aheadAugust 12, 2026
GitHub availability report: July 2026July 8, 2026
GitHub availability report: June 2026June 11, 2026
GitHub availability report: May 2026Methodology
How We Count GitHub Outages
Outages are included in the count when their start time falls in the window, in UTC. Maintenance events are excluded.
Major means GitHub labeled the outage critical or major. Minor means GitHub labeled the outage as minor. Any other label, including none, is unranked and stays in the total.
Median length uses resolved outages only.
For Journalists and Researchers
Use These Figures in Your Work
Suggested Citation
IncidentHub, GitHub Reliability, October 28, 2026, https://incidenthub.cloud/reliability/github
Charts and figures may be reused with attribution. For data older than 12 months, write to us.
Include the as-of date and link back to this page when republishing.
Further Reading
Read More
FAQ
Frequently Asked Questions
How does IncidentHub count GitHub outages?
Outages are included in the count when their start time falls in the window, in UTC. Maintenance events are excluded.
What counts as a major or minor GitHub outage?
Major means GitHub labeled the outage critical or major. Minor means GitHub labeled the outage as minor. Any other label, including none, is unranked and stays in the total.
How is median length calculated?
Median length uses resolved outages only.
How does GitHub compare to similar services like GitLab and Bitbucket?
GitHub has had more outages compared to GitLab and Bitbucket. However, these numbers do not take into account the number of projects hosted at GitLab or Bitbucket, and their traffic.
Data from the GitHub, GitLab, and Bitbucket public status pages, collected by IncidentHub. IncidentHub is not affiliated with GitHub, GitLab, or Bitbucket and is an independent monitoring tool.
See the current GitHub status.