Substack outage history and status
Is Substack down right now?
No
All Systems Operational Official status as of Oct 26, 2026, 16:17 UTC (refreshing…)
Open incidents
100%
uptime, 90 days
3
incidents, 90 days
55 min
median time to fix
Oct 9, 2026
last incident
Substack components
- Substack publications Operational
- Writer dashboards Operational
- Email delivery Operational
- Subscription invoice processing Operational
- Substack.com Operational
- Push Notifications Operational
- Custom domains Operational
Substack outage history
| Started (UTC) | Incident | Impact | Duration |
|---|---|---|---|
| Oct 9, 2026, 22:37 UTC | Elevated latencies Substack.com | No impact | 55 min |
| Aug 30, 2026, 15:17 UTC | Delays in post delivery stats Writer dashboards | No impact | 3 h 23 min |
| Aug 18, 2026, 04:23 UTC | Issues loading Notes Substack.com | Minor | 32 min |
| Jul 16, 2026, 10:06 UTC | Issues loading media on Substack Substack.com | Minor | 5 h 54 min |
| Jun 3, 2026, 13:58 UTC | Delays in post delivery Email delivery | No impact | 52 min |
| Apr 22, 2026, 19:12 UTC | Service degraded due to a provider. Substack publications, Writer dashboards, Email delivery, Subscription invoice processing, Substack.com, Push Notifications | No impact | 1 h 36 min |
| Mar 27, 2026, 22:20 UTC | Issue with reported open rates Email delivery | No impact | 44 days 19 h |
| Feb 27, 2026, 00:41 UTC | We're aware of an issue causing delays in publisher stats Writer dashboards | Minor | 2 h 54 min |
| Feb 26, 2026, 23:10 UTC | Publisher Stats Loading Writer dashboards | Minor | 33 min |
| Feb 12, 2026, 23:25 UTC | Substack Availability Issues Substack publications, Writer dashboards, Substack.com | Major | 1 h 05 min |
| Feb 11, 2026, 14:24 UTC | Substack Availability Issues Substack publications, Writer dashboards, Substack.com | Major | 1 h 21 min |
| Jan 15, 2026, 12:35 UTC | Issues loading Notes Substack.com | No impact | 15 min |
| Jan 14, 2026, 17:38 UTC | Elevated latencies | No impact | 3 h 09 min |
| Jan 5, 2026, 17:17 UTC | Delays in audio read-aloud processing. | No impact | 12 h 19 min |
| Dec 22, 2025, 23:31 UTC | Substack is experiencing issues Substack.com | Minor | 42 min |
| Nov 18, 2025, 14:39 UTC | Substack is experiencing issues Substack publications, Writer dashboards, Substack.com, Custom domains | Minor | 38 min |
| Nov 5, 2025, 16:52 UTC | Push notifications delayed on iOS Push Notifications | No impact | 46 min |
| Oct 20, 2025, 13:41 UTC | Post emails delayed Email delivery | Major | 11 h 11 min |
| Oct 4, 2025, 16:06 UTC | Post notifications are delayed Email delivery, Push Notifications | Minor | 4 h 22 min |
| Sep 20, 2025, 14:42 UTC | Post email delivery is delayed Email delivery | No impact | 1 h 43 min |
| Sep 15, 2025, 15:24 UTC | Substack experiencing increased latency Substack publications, Writer dashboards, Email delivery, Substack.com, Custom domains | Minor | 3 h 47 min |
| Aug 30, 2025, 16:17 UTC | Delay in sending scheduled posts Email delivery | No impact | 15 min |
| Aug 26, 2025, 14:06 UTC | Livestream creation not working | No impact | 39 min |
| Aug 11, 2025, 16:15 UTC | Unable to sign in on the Android app | No impact | 20 min |
| Jun 23, 2025, 17:45 UTC | Substack Availability Issue Substack publications, Writer dashboards, Email delivery, Subscription invoice processing, Substack.com, Push Notifications | Minor | 11 h 34 min |
50 incidents in our archive since July 30, 2024.
When and where Substack fails
By weekday
Most incidents start on Mon.
- Mon10
- Tue10
- Wed8
- Thu6
- Fri8
- Sat5
- Sun3
Most affected, last 12 months
- Substack.com9
- Writer dashboards7
- Substack publications4
- Email delivery3
- Custom domains2
- Push Notifications2
- Subscription invoice processing1
When Substack went down with others
- Nov 18, 2025, 10:52 UTC 172 services reported incidents within the hour
Other social & media services
FAQ
- Is Substack down right now?
- At our last check Substack's official status page reported: All Systems Operational. This page refreshes the status every few minutes.
- How often does Substack go down?
- Substack reported 3 incidents in the last 90 days (0 major or critical), with 0 minutes of major outage: 100% uptime.
- When was the last Substack outage?
- The latest reported incident started on Oct 9, 2026, 22:37 UTC: "Elevated latencies", resolved after 55 min.
- How long do Substack outages last?
- Half of Substack's incidents in the last 90 days were resolved within 55 min.
Source: Substack official status page · RSS of Substack incidents · status badge for your site