Is Prefect Horizon down?

Last checked 2m ago
Current status
Prefect Horizon is up

No active incidents. All 3 components operational.

Prefect Horizon is operational right now. Last checked 2m ago; the most recent incident resolved 12d ago.

Real-time Prefect Horizon status, recent outages, and incident history: pulled directly from Prefect Horizon's official status page at status.horizon.prefect.io every 5 minutes. Pingoru tracks 3 Prefect Horizon services and has captured 2 incidents in the last 90 days (99.97% uptime). Get email, Slack, Discord, or webhook alerts the moment Prefect Horizon reports a new incident, free for 3 monitors, no credit card.

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Prefect Horizon uptime 99.97% uptime · past 90 days
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Recent outages & incidents

Past 90 days
  1. Resolved 1h 9m
    Started Oct 21, 2026, 04:34 PM UTC · Resolved Oct 21, 2026, 05:43 PM UTC
    Builds
    Timeline · 2 updates
    • monitoring · Oct 21, 2026, 04:34 PM UTC

      Builds triggered by GitHub pushes are starting 10–25 minutes late. GitHub is having an incident that delays webhook deliveries (githubstatus.com: http://githubstatus.com). Builds run normally once they start, and running servers are not affected. We're monitoring and will update when delivery times return to normal.

    • resolved · Oct 21, 2026, 05:43 PM UTC

      GitHub webhook deliveries have recovered and builds are starting normally again.

    Latest: GitHub webhook deliveries have recovered and builds are starting normally again.

  2. Resolved 30m
    Started Aug 31, 2026, 05:30 PM UTC · Resolved Aug 31, 2026, 06:01 PM UTC
    MCP Serving
    Timeline · 3 updates
    • investigating · Aug 31, 2026, 05:30 PM UTC

      We are investigating reports of slow responses and errors when serving MCP requests.

    • identified · Aug 31, 2026, 05:46 PM UTC

      We have identified the cause of the increased latency and errors affecting MCP Serving and are working on a resolution.

    • resolved · Aug 31, 2026, 06:01 PM UTC

      MCP Serving has recovered, and we are no longer seeing elevated latency or errors.

    Latest: MCP Serving has recovered, and we are no longer seeing elevated latency or errors.

Incident record

Since April 2026 · incident.io · 3 components checked every 5 minutes
7incidents recorded
7last 12 months
2last 90 days
4 hourstypical duration, 12 months

The longest incident in the last year, Hosted server builds are delayed on April 15, 2026, ran for 12 hours. 1 maintenance window announced in the same period.

Most affected components, last 12 months

  • Builds1
  • MCP Serving1

Latest incidents

  • Delayed builds from GitHub pushes October 21, 2026 · 69 minutes · degraded service

    Builds triggered by GitHub pushes are starting 10–25 minutes late. GitHub is having an incident that delays webhook deliveries (githubstatus.com…

  • MCP Serving slow responses and errors August 31, 2026 · 30 minutes · degraded service

    We are investigating reports of slow responses and errors when serving MCP requests.

  • Server builds delayed July 10, 2026 · under a minute · degraded service

    <p>Background job system is impacted by outside service outage. Server Builds are delayed. The team is investigating</p> <p> </p> <p>MCP serving is…

Outage history

Past 90 days · 2 incidents View full outage history →