# SparkPost: Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-02-18 14:51 UTC · Resolved: 2026-02-18 17:06 UTC · Duration: 2.3 h
- Updates: 6 · Affected components: SMTP Delivery (Outbound Message Delivery) - SMTP Delivery - USA, SMTP Delivery - USA
- [Vendor status page: https://stspg.io/xm57w377gkmy](https://stspg.io/xm57w377gkmy)
- [Company: SparkPost](https://rewindex.com/company/sparkpost.md)

## Timeline of updates

- **investigating** 2026-02-18 14:51 UTC: We are investigating an increase in delivery latency for some outbound messages.  (NOTE: This does not impact our customers hosted in the EU.)
- **identified** 2026-02-18 15:02 UTC: The issue has been identified and a fix is being implemented.
- **identified** 2026-02-18 15:15 UTC: We have begun to see improvements to outbound mail delivery delays.  We anticipate full recovery in the next 30 minutes.
- **monitoring** 2026-02-18 15:59 UTC: We continue to see strong recovery of the mail queues and message delivery.  We expect all remaining delayed messages to be delivered in the next 5 minutes.
- **monitoring** 2026-02-18 16:15 UTC: We have seen recovery.  We will continue monitoring for the next 60 minutes to ensure message queues stay stable.
- **resolved** 2026-02-18 17:06 UTC: This incident has been resolved.


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Canonical: https://rewindex.com/company/sparkpost/incidents/xqjhjwwcdgtq · Markdown: https://rewindex.com/company/sparkpost/incidents/xqjhjwwcdgtq.md · JSON: https://rewindex.com/api/v1/companies/sparkpost/incidents/xqjhjwwcdgtq · Generated 2026-10-19T21:10:40.154Z