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Fly.io Outage History

Every past Fly.io outage tracked by IsDown, with detection times, duration, and resolution details.

There were 573 Fly.io outages since February 2022. The 192 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Minor May 5, 2026

May 2026: Elevated error rates on List Machines endpoint

Detected May 5, 2026 8:06 PM EDT · Resolved May 5, 2026 8:45 PM EDT · Duration 38 minutes

Fly.io experienced elevated error rates on their List Machines API endpoint, specifically affecting applications with machines in the Singapore (sin) region. The API disruption lasted 38 minutes before the team successfully mitigated the problem and restored normal service.

Major May 5, 2026

May 2026: Errors Setting and Updating Secrets on Apps

Detected May 5, 2026 9:18 AM EDT · Resolved May 5, 2026 9:55 AM EDT · Duration 37 minutes

Fly.io experienced a major API incident where users were unable to create new apps or update secrets on existing applications. The issue affected the platform's core functionality for 37 minutes before being resolved. The incident was successfully resolved without further details on the root cause.

Minor May 4, 2026

May 2026: Log search unavailable

Detected May 4, 2026 2:57 PM EDT · Resolved May 4, 2026 4:45 PM EDT · Duration about 2 hours

Fly.io's log search functionality in Grafana was unavailable for 1.8 hours, with users encountering "failed to make http request: 502" errors when accessing logs from fly-metrics.net. App logs remained accessible through the `fly logs` command and the Fly.io dashboard during the outage. The incident was resolved after implementing a mitigation and monitoring the results.

Minor April 28, 2026

April 2026: flyctl deploy creating new app instances

Detected Apr 28, 2026 7:50 PM EDT · Resolved Apr 28, 2026 8:42 PM EDT · Duration about 1 hour

Fly.io experienced a deployment issue where `fly deploy` commands were creating new machine instances instead of updating existing ones, causing applications to enter a mixed state. The problem affected the Deployments component and lasted 51 minutes before being resolved. Users could work around the issue by either removing the "processes = [ "app" ]" line from their fly.toml configuration or downgrading flyctl to version 0.4.40.

Minor April 24, 2026

April 2026: Slow machines operations in IAD region

Detected Apr 24, 2026 6:45 PM EDT · Resolved Apr 24, 2026 7:31 PM EDT · Duration about 1 hour

Fly.io experienced slow machine operations affecting a portion of machines in the IAD (Ashburn, Virginia) region due to network packet loss. The incident lasted 46 minutes, during which the company deployed a partial mitigation and monitored the Machines API for stability. The issue was resolved when network packet loss returned to normal levels.

Major April 23, 2026

April 2026: Errors when adding or editing Github integrations for deployments

Detected Apr 23, 2026 11:05 AM EDT · Resolved Apr 23, 2026 12:26 PM EDT · Duration about 1 hour

Fly.io experienced a major incident where users encountered 500 errors when attempting to add new Github integrations or edit existing Github integrations through the dashboard. The issue specifically affected the "Launch an app from Github" feature and related settings, while existing integrations, flyctl deployments, and running apps continued to function normally. The incident was resolved after 1.4 hours once a fix was identified, implemented, and monitored.

Major April 23, 2026

April 2026: Errors (5xx, timeouts) in Fly.io dashboard

Detected Apr 23, 2026 7:17 AM EDT · Resolved Apr 23, 2026 7:52 AM EDT · Duration 34 minutes

Fly.io's web dashboard experienced 5xx errors and timeouts for 34 minutes, preventing users from accessing the dashboard interface. The engineering team identified the root cause and implemented a fix. The incident was fully resolved after a brief monitoring period to ensure stability.

Minor April 20, 2026

April 2026: Increased latency in SIN

Detected Apr 20, 2026 11:29 AM EDT · Resolved Apr 20, 2026 1:39 PM EDT · Duration about 2 hours

Fly.io experienced increased latency in their Singapore (SIN) region for approximately 2.2 hours. The issue affected all services operating in the Singapore region. The incident was resolved after the team worked to address the latency problems.

Major April 17, 2026

April 2026: TLS certificate issues

Detected Apr 17, 2026 9:06 AM EDT · Resolved Apr 18, 2026 4:42 PM EDT · Duration 1 day

Fly.io experienced a major incident with their Vault server that stores TLS certificates, causing failures in provisioning new certificates and connection issues for domains with uncached certificates. The SSL/TLS Certificate Provisioning component was affected for 31.6 hours. The issue was resolved after implementing a fix and monitoring the results.

Minor April 15, 2026

April 2026: Network issues in SYD

Detected Apr 15, 2026 7:08 AM EDT · Resolved Apr 16, 2026 7:02 AM EDT · Duration about 24 hours

Fly.io experienced networking issues in their Sydney (SYD) region that affected multiple central services for approximately 24 hours. The engineering team identified the root cause and applied a fix to restore normal operations. All services were confirmed to be working normally after the resolution was implemented.