Current answer
Klaviyo experienced a minor incident: Flow sending delays. ServiceAlert observed recovery on Sep 17, 2026.
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Incident Lifecycle
Affected Components
Email Sending
Text Message Sending
WhatsApp Sending
Mobile Push Sending
Processing
Incident Timeline
Monitoring
Flow message sending is recovering, and delays are continuing to clear. 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.
Sep 17, 2026 at 7:21 PM UTC
Identified
We are seeing early signs of improvement and continue to work towards full recovery. Customers may still see flow messages send later than expected. We will share another update shortly.
Sep 17, 2026 at 6:30 PM 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.
Sep 17, 2026 at 5:31 PM 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.
Sep 17, 2026 at 5:10 PM UTC
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