Outage in Prefect Cloud
AWS US-EAST-1 Outage Blocking MEX Flow Submissions
Resolved Major
October 20, 2025 - Started 3 months ago
- Lasted about 14 hours
Incident Report
Unable to submit flows to managed execution work pools due to ongoing AWS service outage in US-EAST-1: https://health.aws.amazon.com/health/status. AWS is investigating increased error rates and latencies across multiple services. Monitoring AWS status updates for resolution.
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Latest Updates ( sorted recent to last )
3 months ago - at 10/20/2025 07:00AM
Unable to submit flows to managed execution work pools due to ongoing AWS service outage in US-EAST-1: https://health.aws.amazon.com/health/status. AWS is investigating increased error rates and latencies across multiple services. Monitoring AWS status updates for resolution.
3 months ago - at 10/20/2025 11:04AM
We are beginning to see some signs of recovery of flow runs running on managed execution work pools. We are still monitoring the ongoing AWS outage: https://health.aws.amazon.com/health/status.
Latest Prefect Cloud outages
Delayed push pool run latency - about 2 months ago
Delays marking flow runs as late - 2 months ago
Partial service disruption related to GitHub outage - 2 months ago
Run and events data delayed processing - 3 months ago
Delayed task run observability - 3 months ago
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