Incident archive

Claude outage October 28, 2026

Elevated errors affecting the Google Calendar connector

Claude claude.ai was degraded for 3 h 46 min on October 28, 2026.

Claude recorded a minor-impact incident affecting claude.ai, Claude Code, Claude Cowork on October 28, 2026. It ran for 3 h 46 min — 3.4× the archive median of 1 h 7 min.

Started
October 28, 2026, 16:19 UTC
Resolved
October 28, 2026, 20:05 UTC
Duration
3 h 46 min
Impact
Minor

What was affected?

How long did it last?

  1. October 28, 2026, 16:19 UTCinvestigatingT+0
  2. October 28, 2026, 17:59 UTCinvestigatingT+1 h 40 min
  3. October 28, 2026, 19:47 UTCmonitoringT+3 h 28 min
  4. October 28, 2026, 20:05 UTCresolvedT+3 h 46 min

Has this happened before?

This was incident 16 of 16 recorded in October 2026, totalling 172 h 2 min of reported disruption across all Claude components that month. claude.ai was affected by 13 other recorded incidents in the 30 days before this one started. The previous incident touching claude.ai started on October 28, 2026. These comparisons are drawn from our archive, which starts on July 14, 2026. See the full outage history.

Summarized by Claude Network from Claude Status. Last verified .