# Twilio: On Call Engineers are Investigating SMS Delivery Delay Over USA Verizon

> Twilio status incident “On Call Engineers are Investigating SMS Delivery Delay Over USA Verizon” on 2021-03-08: impact none (vendor’s label), 53 min, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/9j1nxdvstzy5
Last updated: 2021-03-09T00:18:00Z

- Impact (vendor’s label): none
- Status: resolved
- Started: 2021-03-08 23:25 UTC · Resolved: 2021-03-09 00:18 UTC · Duration: 53 min
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/9j1nxdvstzy5](https://status.twilio.com/incidents/9j1nxdvstzy5)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2021-03-09 00:18 UTC: We have fully investigated the SMS Delivery Delay issue triggered by our automated alert, and it was determined to contact the effected few customers directly. All systems are operational. This incident has 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 2021-03-08 23:25 UTC, resolved after 53 min, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/9j1nxdvstzy5
- Citation: Twilio, “On Call Engineers are Investigating SMS Delivery Delay Over USA Verizon” (2021-03-08 23:25 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/9j1nxdvstzy5 (CC BY 4.0).
- Markdown link: `[Twilio: On Call Engineers are Investigating SMS Delivery Delay Over USA Verizon (2021-03-08)](https://rewindex.com/company/twilio/incidents/9j1nxdvstzy5)`


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Canonical: https://rewindex.com/company/twilio/incidents/9j1nxdvstzy5 · Markdown: https://rewindex.com/company/twilio/incidents/9j1nxdvstzy5.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/9j1nxdvstzy5 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T17:11:50.507Z