# Flow sending delays

- Provider: [Klaviyo](https://down.guide/klaviyo)
- Level: confirmed
- Impact: Degraded
- lasted 2h 3m
- started 2026-09-21 15:56 UTC
- Email Sending, Text Message Sending, WhatsApp Sending +2
- id: DWN-aed501d5fe
- Official page: https://stspg.io/2mv9xl566q98

## Updates from Klaviyo
### 2026-09-21 15:56 UTC: investigating
We are investigating reports of delays affecting flow message sending. Some customers may see flow messages send later than expected. We will share another update as soon as we have more information.

### 2026-09-21 15:56 UTC: investigating
We are continuing to investigate this issue.

### 2026-09-21 16:26 UTC: identified
We have identified the cause of the delays affecting flow message sending and are working on a fix. Some customers may continue to see flow messages send later than expected while we resolve this. We will share another update shortly.

### 2026-09-21 16:42 UTC: monitoring
Flow message sending is recovering, and delays are clearing. Some customers may still see flow messages send later than expected as remaining processing catches up. We continue to monitor closely and appreciate your patience throughout this incident.

### 2026-09-21 17:43 UTC: monitoring
Delays have now largely cleared but some customers may still see flow messages send later than expected. We continue to monitor closely and will share another update shortly.

### 2026-09-21 17:58 UTC: resolved
Flow message sending has fully recovered and is processing at normal speeds. Delayed messages were not lost and have since been delivered. This incident has been resolved.

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