Live status & reliability report
Slack status, outages & reliability
Slack is the team messaging platform owned by Salesforce.
Data updated Nov 1, 2026 · score recalculated
Over the last 90 days Slack had 97.89% effective uptime across 8 status page incidents (4 partial or major outages), resolving them in 15h 28m on average.
Is Slack down right now?
No, Slack is up and running.
- Slack's status page reports all systems operational. Checked .
- All 3 Slack pages we check are responding. Checked .
90-day uptime
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Key facts about Slack's reliability
- Since May 8, 2026, the earliest date its published history covers, Slack published 30 incidents on its status page, 16 of them partial or major outages.
- Its longest outage on record in that time was “Incident: Trouble Accessing Historical Messages With Custom Data Retention Policies Enabled” on Aug 13, 2026, which lasted 3d.
- Slack's 90-day uptime of 97.89% is below the average for team chat apps (99.75%).
- It resolves incidents more slowly than the typical team chat app: 15h 28m on average, against a median of 2h 44m.
Score breakdown
Incidents per month
- Major outage
- Partial outage
- Degraded
- Informational
Response time
Daily average response time of Slack'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.
Slack incident history (last 90 days)
- Degraded performanceOct 22, 2026 · resolved (duration not published)
- Degraded performanceOct 14, 2026 · resolved in 6m
- Degraded performanceOct 9, 2026 · resolved (duration not published)
Incident: Slack for iOS closing unexpectedly when opening channels
- Partial outageOct 1, 2026 · resolved in 6h 20m
Incident: Free Plan Customers Are Experiencing Message Failures
- Partial outageSep 12, 2026 · resolved in 8h 56m
Incident: Some customers experiencing blurry image previews and download issues
- Degraded performanceSep 10, 2026 · resolved in 2h 40m
Incident: Trouble loading Workspace-level Apps & Workflows settings page is returning blank pages
- Partial outageAug 13, 2026 · resolved in 32d 1h
Incident: Trouble Accessing Historical Messages With Custom Data Retention Policies Enabled
- Partial outageAug 6, 2026 · resolved in 2h 46m
Source: Slack status page · last checked
Our independent monitoring
We check these public Slack pages every 5 minutes. An outage is recorded after two consecutive failed checks.
| Page | Last check | Uptime (30d) | Avg response |
|---|---|---|---|
| Slack web app | Up | 100% | 389 ms |
| Slack Web API test endpoint | Up | 100% | 207 ms |
| Homepage | Up | 100% | 346 ms |
How Slack compares
Slack status FAQ
Is Slack down right now?
No, Slack is up and running. Slack's status page currently reports all systems operational, and all 3 of the Slack pages we check every five minutes are responding. This page updates automatically when that changes.
How reliable is Slack?
Slack has a reliability score of 41.6 out of 100, ranking #11 of 11 team chat apps. Over the last 90 days it had 97.89% effective uptime.
How often does Slack have outages?
Slack published 8 incidents on its status page in the last 90 days (4 partial or major outages) and 30 in the past 12 months.
How long do Slack outages last?
Slack resolves incidents in 15h 28m on average. Its longest outage in the past year lasted 3d, on Aug 13, 2026.
Does Slack have a status page?
Yes. Slack's official status page is slack-status.com. We read it every five minutes and keep its full incident history.