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CompaniesKlaviyoIncidents

Klaviyo: Event-triggered flow delays

MinorStatus: resolvedStarted Resolved (16 min)3 updatesstspg.io (opens in new tab)

Affected components: Email SendingEmail Sending - Flow Email Sending

Timeline of updates

  1. identified

    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.

  2. monitoring

    A fix has been deployed and system performance is improving. We continue to monitor closely and appreciate your patience throughout this incident.

  3. resolved

    This incident has been resolved.

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Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab).

Cite this

Status incident (vendor impact label: minor) posted by Klaviyo, started 2025-09-16 21:05 UTC, resolved after 16 min, 3 update(s).

Title
Event-triggered flow delays
Vendor
Klaviyo
Date
URL
https://rewindex.com/company/klaviyo/incidents/nwljr8tmh1vl

Klaviyo profileRecent Klaviyo incidentsAll outages on September 16, 2025Klaviyo in September 2025MarkdownJSON