Flightcontrol incident

IPv6 Networking Issues in DFW

Major Resolved

Flightcontrol experienced a major incident on September 23, 2026, lasting 5h 3m. The incident has been resolved; the full update timeline is below.

Started
Sep 23, 2026, 07:12 AM UTC
Resolved
Sep 23, 2026, 12:15 PM UTC
Duration
5h 3m
Detected by Pingoru
Sep 23, 2026, 07:12 AM UTC

Update timeline

  1. identified Sep 23, 2026, 07:12 AM UTC

    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.

  2. investigating Sep 23, 2026, 07:12 AM UTC

    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. identified Sep 23, 2026, 11:12 AM UTC

    We are continuing to work on a fix for this issue.

  4. resolved Sep 23, 2026, 01:07 PM UTC

    This incident has been resolved.