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Fly.io incident

IPv6 Networking Issues in DFW

Resolved after 5 h 57 min.

Started
Ended
Worst state
Partial outage
On Fly.io’s status page
Source
Components
DFW - Dallas, Texas (US)

Live Fly.io status Full Fly.io outage history

Timeline

  1. Fly.io status page · Reported IPv6 Networking Issues in DFW
  2. Fly.io status page · Investigating We are investigating IPv6 connectivity issues on a subset of hosts in DFW region. Machines on impacted hosts may see inbound/outbound connectivity issues over IPv6. IPv4 connectivity is not impacted.
  3. Fly.io status page · Identified One of the internet transit providers upstream of the affected hosts is performing regional maintenance, which is expected to complete at 10:00AM UTC. IPv6 connectivity to and from destinations using that transit may be impacted during this time window.
  4. Fly.io status page · Identified We are continuing to work on a fix for this issue.
  5. Fly.io status page · Resolved This incident has been resolved.

Cite this incident

Site Qwality, “IPv6 Networking Issues in DFW,” Sep 23, 2026, https://siteqwality.com/is-fly-io-down/incidents/fly-io-202609230618/

Free to quote with a link to this page.