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.

41.6/100Reliability scoreVisit Slack ↗

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 .

Official Slack status page ↗

Uptime (90d)97.89%1d 21h weighted downtime
Incidents (90d)82.0 per 30 days
Major / partial outages4
Avg time to resolve15h 28m
Outages we detected0by our independent probes

90-day uptime

Aug 4, 2026 – Aug 5, 2026: no incidentsAug 6, 2026: 96.61% uptime, 1 incident (Partial outage)Aug 7, 2026: 97.63% uptime, 1 incident (Partial outage)Aug 8, 2026 – Aug 12, 2026: no incidentsAug 13, 2026: 94.50% uptime, 1 incident (Partial outage)Aug 14, 2026: 50.00% uptime, 1 incident (Partial outage)Aug 15, 2026: 50.00% uptime, 1 incident (Partial outage)Aug 16, 2026: 55.49% uptime, 1 incident (Partial outage)Aug 17, 2026 – Sep 9, 2026: no incidentsSep 10, 2026: 98.33% uptime, 1 incident (Degraded performance)Sep 11, 2026: no incidentsSep 12, 2026: 81.39% uptime, 1 incident (Partial outage)Sep 13, 2026 – Sep 30, 2026: no incidentsOct 1, 2026: 86.80% uptime, 1 incident (Partial outage)Oct 2, 2026 – Oct 8, 2026: no incidentsOct 9, 2026: 100% uptime, 1 incident (Degraded performance)Oct 10, 2026 – Oct 13, 2026: no incidentsOct 14, 2026: 99.93% uptime, 1 incident (Degraded performance)Oct 15, 2026 – Oct 21, 2026: no incidentsOct 22, 2026: 100% uptime, 1 incident (Degraded performance)Oct 23, 2026 – Nov 1, 2026: no incidents
90 days ago97.896% average daily uptimeToday
  • 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

Uptime · 40% weight
10
97.897% effective uptime
Incident frequency · 20% weight
61
2.00 weighted incidents per 30 days
Time to resolve · 20% weight
28
15h 28m average
Transparency · 20% weight
100
No unreported outages detected

How the score is calculated →

Incidents per month

0481216DecJan ’26FebMarApr4 partial outage incidents2 degraded performance incidents6May2 major outage incidents5 partial outage incidents6 degraded performance incidents13Jun1 partial outage incident2 degraded performance incidents3Jul2 partial outage incidents2Aug1 partial outage incident1 degraded performance incident2Sep1 partial outage incident3 degraded performance incidents4OctNov
  • 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)

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

Our independent monitoring

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

PageLast checkUptime (30d)Avg response
Slack web appUp 100%472 ms
Slack Web API test endpointUp 100%239 ms
HomepageUp 100%433 ms

How Slack compares

Most reliable Slack alternatives →

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.