Unscheduled Maintenance - Cirium Historical Flight Status and Alerts APIs

Scheduled for Feb 4, 04:30 - 06:30 UTC

Scheduled

We will be performing a release to the new Cirium Sky API platform on Wednesday 4th February, from 04:30 to 06:30 UTC. During this period, there may be a period of downtime or reduced performance affecting the Flightstats (Flex) and the Cirium Sky APIs.

Posted Feb 03, 2026 - 15:18 UTC

This scheduled maintenance affects: Cirium Sky™ APIs.