Outage in Klaviyo
Event-triggered flow delays
Resolved Minor
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Outage Details
Starting 3:50pm US/Eastern on 9/16/25, we began observing delays in event-triggered flows. Users may see delays of up to 60 minutes. We're currently working on a fix. We’ll provide updates as soon as more information is available.
Components affected
Klaviyo Flow Email SendingLatest Updates ( sorted recent to last )
RESOLVED
about 2 hours ago - at 09/16/2025 09:21PM
This incident has been resolved.
MONITORING
about 2 hours ago - at 09/16/2025 09:17PM
A fix has been deployed and system performance is improving. We continue to monitor closely and appreciate your patience throughout this incident.
IDENTIFIED
about 2 hours ago - at 09/16/2025 09:05PM
Starting 3:50pm US/Eastern on 9/16/25, we began observing delays in event-triggered flows. Users may see delays of up to 60 minutes. We're currently working on a fix. We’ll provide updates as soon as more information is available.
Latest Klaviyo outages
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Duplicate Flow Sends - 3 months ago
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