Live status & reliability report

CircleCI status, outages & reliability

#6 of 10 code hosting & CI platformsOperational

CircleCI is a San Francisco-based hosted continuous integration and delivery service that runs builds on Docker, Linux, macOS, Windows and Arm machines.

Data updated Nov 1, 2026 · score recalculated

Over the last 90 days CircleCI had 99.19% effective uptime across 28 status page incidents (3 partial or major outages), resolving them in 2h 26m on average.

59.2/100Reliability scoreVisit CircleCI ↗

Is CircleCI down right now?

No, CircleCI is up and running.

  • CircleCI's status page reports all systems operational. Checked .
  • All 3 CircleCI pages we check are responding. Checked .

Official CircleCI status page ↗

Uptime (90d)99.19%17h 29m weighted downtime
Incidents (90d)284.8 per 30 days
Major / partial outages3
Avg time to resolve2h 26m
Outages we detected0by our independent probes

90-day uptime

Aug 4, 2026: 97.36% uptime, 1 incident (Degraded performance)Aug 5, 2026: 97.47% uptime, 1 incident (Degraded performance)Aug 6, 2026 – Aug 11, 2026: no incidentsAug 12, 2026: 99.89% uptime, 1 incident (Degraded performance)Aug 13, 2026 – Aug 16, 2026: no incidentsAug 17, 2026: 89.22% uptime, 2 incidents (Partial outage)Aug 18, 2026 – Aug 24, 2026: no incidentsAug 25, 2026: 100% uptime, 1 incident (Degraded performance)Aug 26, 2026: 99.72% uptime, 1 incident (Degraded performance)Aug 27, 2026 – Sep 3, 2026: no incidentsSep 4, 2026: 98.96% uptime, 1 incident (Degraded performance)Sep 5, 2026 – Sep 9, 2026: no incidentsSep 10, 2026: 99.98% uptime, 1 incident (Degraded performance)Sep 11, 2026 – Sep 13, 2026: no incidentsSep 14, 2026: 99.37% uptime, 1 incident (Degraded performance)Sep 15, 2026: 98.53% uptime, 1 incident (Degraded performance)Sep 16, 2026: 97.13% uptime, 1 incident (Degraded performance)Sep 17, 2026 – Sep 20, 2026: no incidentsSep 21, 2026: 99.50% uptime, 1 incident (Degraded performance)Sep 22, 2026 – Sep 30, 2026: no incidentsOct 1, 2026: 98.96% uptime, 1 incident (Degraded performance)Oct 2, 2026 – Oct 5, 2026: no incidentsOct 6, 2026: 88.94% uptime, 1 incident (Partial outage)Oct 7, 2026: 98.43% uptime, 3 incidents (Degraded performance)Oct 8, 2026: 97.75% uptime, 1 incident (Degraded performance)Oct 9, 2026: 74.06% uptime, 1 incident (Partial outage)Oct 10, 2026: 95.52% uptime, 1 incident (Partial outage)Oct 11, 2026 – Oct 13, 2026: no incidentsOct 14, 2026: 99.23% uptime, 1 incident (Degraded performance)Oct 15, 2026 – Oct 19, 2026: no incidentsOct 20, 2026: 98.58% uptime, 1 incident (Degraded performance)Oct 21, 2026: 99.12% uptime, 1 incident (Degraded performance)Oct 22, 2026 – Oct 27, 2026: no incidentsOct 28, 2026: 99.34% uptime, 1 incident (Degraded performance)Oct 29, 2026 – Nov 1, 2026: no incidents
90 days ago99.190% average daily uptimeToday
  • No incidents
  • Degraded
  • Partial outage
  • Major outage
  • No data

Key facts about CircleCI's reliability

  • Since Jun 1, 2026, the earliest date its published history covers, CircleCI published 50 incidents on its status page, 6 of them partial or major outages.
  • Its longest outage on record in that time was “Delay in data appearing in UI and API” on Oct 9, 2026, which lasted 14h 36m.
  • The part of CircleCI most often affected was macOS Jobs (9 of 50 incidents).
  • Incidents most often began on a Wednesday (16 of 50, UTC).
  • CircleCI's 90-day uptime of 99.19% is below the average for code hosting & CI platforms (99.35%).

Score breakdown

Uptime · 40% weight
42
99.191% effective uptime
Incident frequency · 20% weight
30
4.83 weighted incidents per 30 days
Time to resolve · 20% weight
82
2h 26m average
Transparency · 20% weight
100
No unreported outages detected

How the score is calculated →

Incidents per month

036912DecJan ’26FebMarAprMay2 partial outage incidents9 degraded performance incidents1 informational incident12Jun1 major outage incident8 degraded performance incidents1 informational incident10Jul1 partial outage incident6 degraded performance incidents3 informational incidents10Aug6 degraded performance incidents1 informational incident7Sep2 partial outage incidents9 degraded performance incidents11OctNov
  • Major outage
  • Partial outage
  • Degraded
  • Informational

Response time

Daily average response time of CircleCI's public pages, measured by our probes.

Not enough data yet — this chart fills in as our monitoring runs.

Score trend

Daily reliability score (rolling 90-day window).

Not enough data yet — this chart fills in as our monitoring runs.

CircleCI incident history (last 90 days)

Source: CircleCI status page · last checked · Subscribe via RSS

Our independent monitoring

We check these public CircleCI pages every 5 minutes. An outage is recorded after two consecutive failed checks.

PageLast checkUptime (30d)Avg response
HomepageUp 100%782 ms
Web appUp 100%317 ms
API v2 (unauthenticated)Up 100%171 ms

How CircleCI compares

CircleCI vs Bitrise

99.19% vs 99.90% uptime

CircleCI vs Depot

99.19% vs 99.89% uptime

CircleCI vs GitLab

99.19% vs 100% uptime

CircleCI vs Bitbucket

99.19% vs 99.74% uptime

CircleCI vs Buildkite

99.19% vs 99.57% uptime

CircleCI vs Harness

99.19% vs 99.04% uptime

Most reliable CircleCI alternatives →

CircleCI status FAQ

Is CircleCI down right now?

No, CircleCI is up and running. CircleCI's status page currently reports all systems operational, and all 3 of the CircleCI pages we check every five minutes are responding. This page updates automatically when that changes.

How reliable is CircleCI?

CircleCI has a reliability score of 59.2 out of 100, ranking #6 of 10 code hosting & CI platforms. Over the last 90 days it had 99.19% effective uptime.

How often does CircleCI have outages?

CircleCI published 28 incidents on its status page in the last 90 days (3 partial or major outages) and 50 in the past 12 months.

How long do CircleCI outages last?

CircleCI resolves incidents in 2h 26m on average. Its longest outage in the past year lasted 14h 36m, on Oct 9, 2026.

Does CircleCI have a status page?

Yes. CircleCI's official status page is status.circleci.com. We read it every five minutes and keep its full incident history.