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

> SparkPost status incident “Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)” on 2026-10-30: impact none (vendor’s label), 2 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/sparkpost/incidents/sbvn5b3hg848
Last updated: 2026-10-31T10:39:50Z

- Impact (vendor’s label): none
- Status: identified · edited after publishing
- Started: 2026-10-30 19:21 UTC · Resolved: not resolved · Duration: ongoing
- Updates: 2 · Affected components: SMTP Delivery - Outbound Message Delivery,  - SMTP Delivery - USA
- [Vendor status page: https://status.sparkpost.com/incidents/sbvn5b3hg848](https://status.sparkpost.com/incidents/sbvn5b3hg848)
- [Company: SparkPost](https://rewindex.com/company/sparkpost.md)

## Timeline of updates

- **investigating** 2026-10-30 19:21 UTC: We are investigating a small increase in delivery latency for some outbound messages. (NOTE: This does not impact our customers hosted in the EU.)
- **identified** 2026-10-30 20:02 UTC: We have identified the issue and are working on a resolution; delivery latencies are recovering.

## Rewindex changes for this incident

- 2026-10-30 20:03 UTC: [Incident updated: Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)](https://rewindex.com/change/rcffb8b0d250762.md)


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Canonical: https://rewindex.com/company/sparkpost/incidents/sbvn5b3hg848 · Markdown: https://rewindex.com/company/sparkpost/incidents/sbvn5b3hg848.md · JSON: https://rewindex.com/api/v1/companies/sparkpost/incidents/sbvn5b3hg848 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-31T10:39:50.205Z