Vercel outage on 10 October 2026

“Delays in Drains, Observability, and Workflow in Washington (iad1)”

On 10 October, Vercel had a major outage in its Washington (iad1) region from 00:15 to 01:37 UTC (1 h 22 min). During this time, some customers saw delayed drain delivery, delayed logs, metrics and traces, and Workflow runs stuck pending, with Queues also marked as affected. The status page said a fix was in place and delivery had resumed by 00:35, and that the delayed data had been processed by 01:12, before the incident was marked resolved at 01:37. Litmus also reported partial system outages at the same time, starting at 01:00 and 01:06 UTC.

From Vercel’s own status page: when it moved each component into trouble, and back.

And 55 lesser-known services. Problems at the same time are a clue, never proof that one caused another.

1. 00:15 Investigating
2. 00:15 Queues: partial outage
3. 00:15 Workflow: partial outage
4. 00:15 Observability - Drains: partial outage
5. 00:15 Observability - Logs: partial outage
6. 00:15 Observability - Observability: partial outage
7. 00:35 Cause identified
8. 01:12 Fix in place, monitoring
9. 01:37 Resolved
10. 01:37 Queues: back to normal
11. 01:37 Workflow: back to normal
12. 01:37 Observability - Drains: back to normal
13. 01:37 Observability - Logs: back to normal
14. 01:37 Observability - Observability: back to normal