Outage in Fly.io

Elevated Machines errors in ORD

Minor
January 15, 2026 - Started about 4 hours ago
Official incident page

Incident Report

We are investigating high memory utilization on some hosts in ORD. Customers may notice timeouts or errors in reserving resources when updating or creating new Machines in the region. We are rebalancing workloads in ORD to relieve memory pressure on impacted hosts.
Components affected
Fly.io Deployments Fly.io Remote Builds

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Latest Updates ( sorted recent to last )
MONITORING about 1 hour ago - at 01/15/2026 08:19PM

The fix has been deployed to ORD and we are monitoring results. New Machines will be placed using stricter memory thresholds. Existing Machines on impacted hosts will be migrated to new hosts on start and update. We are also provisioning additional capacity in ORD.

IDENTIFIED about 2 hours ago - at 01/15/2026 07:04PM

We are deploying a fix to enforce stricter memory thresholds for Machine placements. This will steer new and migrated workloads towards hosts with optimal capacity.

INVESTIGATING about 4 hours ago - at 01/15/2026 05:52PM

We are investigating high memory utilization on some hosts in ORD. Customers may notice timeouts or errors in reserving resources when updating or creating new Machines in the region.

We are rebalancing workloads in ORD to relieve memory pressure on impacted hosts.

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