# Substack experiencing increased latency

- Provider: [Substack](https://down.guide/substack)
- Level: confirmed
- Impact: Degraded
- lasted 3h 47m
- started 2025-09-15 15:24 UTC
- Substack publications, Writer dashboards, Email delivery +2
- id: DWN-455fa82a6b
- Official page: https://stspg.io/1cqm92rx91q9

## Updates from Substack
### 2025-09-15 15:24 UTC: investigating
We are currently investigating reports of increased latency and slow response times across Substack.

### 2025-09-15 15:34 UTC: investigating
We are continuing to investigate increased latency and error rates across Substack.

### 2025-09-15 15:42 UTC: identified
We have identified an issue and are seeing normal performance across all systems.

### 2025-09-15 15:50 UTC: identified
We are continuing to investigate increased latency and error rates across Substack.

### 2025-09-15 16:38 UTC: identified
We are working to resolve the remaining performance issues across Substack and expect to see recovery shortly.

### 2025-09-15 16:46 UTC: monitoring
We are seeing recovery of performance across Substack and are monitoring the issue.

### 2025-09-15 16:53 UTC: monitoring
As part of the earlier incident, we are noting delays in analytics updating and post email delivery. We are working to resolve the issue.

### 2025-09-15 17:43 UTC: identified
We are seeing recurrence of increased error rates and degraded performance across Substack.

### 2025-09-15 18:39 UTC: monitoring
Substack is operating normally and our team is monitoring.

### 2025-09-15 19:12 UTC: resolved
This incident has been resolved.

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