# Twilio: On Call Engineers are Investigating SMS Message Delivery Delays

> Twilio status incident “On Call Engineers are Investigating SMS Message Delivery Delays” on 2021-06-29: impact none (vendor’s label), 35 min, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/4hvjyf587c69
Last updated: 2021-06-29T20:04:00Z

- Impact (vendor’s label): none
- Status: resolved
- Started: 2021-06-29 19:29 UTC · Resolved: 2021-06-29 20:04 UTC · Duration: 35 min
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/4hvjyf587c69](https://status.twilio.com/incidents/4hvjyf587c69)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2021-06-29 20:04 UTC: SMS was degraded for 44 minutes between 11:08 and 11:52 Pacific Time on 06/29/2021. During this period, a subset of customers may have experienced SMS delivery delays. The issue has now been resolved.

_From the vendor’s published history: only the final update text is available for incidents before Rewindex began polling this page._

## Cite this

Status incident (vendor impact label: none) posted by Twilio, started 2021-06-29 19:29 UTC, resolved after 35 min, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/4hvjyf587c69
- Citation: Twilio, “On Call Engineers are Investigating SMS Message Delivery Delays” (2021-06-29 19:29 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/4hvjyf587c69 (CC BY 4.0).
- Markdown link: `[Twilio: On Call Engineers are Investigating SMS Message Delivery Delays (2021-06-29)](https://rewindex.com/company/twilio/incidents/4hvjyf587c69)`


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Canonical: https://rewindex.com/company/twilio/incidents/4hvjyf587c69 · Markdown: https://rewindex.com/company/twilio/incidents/4hvjyf587c69.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/4hvjyf587c69 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T14:57:18.589Z