Flow sending delays

Summary

Flow sending delays

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.

• Started

  Sep 17, 2026 · 1:10 PM

• Resolved

  Sep 17, 2026 · 3:46 PM

• Duration

  2h 35m

• Severity

  Minor

• ◐

  Investigating

  Sep 17 · 1:10 PM Klaviyo

  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.

• ◆

  Identified

  Sep 17 · 1:31 PM Klaviyo

  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.

• ◆

  Identified

  Sep 17 · 2:30 PM Klaviyo

  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.

• ◉

  Monitoring

  Sep 17 · 3:21 PM Klaviyo

  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.

• ✓

  Resolved

  Sep 17 · 3:46 PM Klaviyo

  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.