Major incident

Fly.io: IPv6 Networking Issues in DFW

Current status of Fly.io: Operational — live Fly.io status

Timeline

1. Sep 23, 2026, 06:18 UTC
   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.
2. Sep 23, 2026, 06:52 UTC
   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.
3. Sep 23, 2026, 10:52 UTC
   identified
   We are continuing to work on a fix for this issue.
4. Sep 23, 2026, 12:15 UTC
   resolved
   This incident has been resolved.

Updates as published by Fly.io.