Scheduled Maintenance: Flex API – No Downtime Expected
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 18, 2026 - 03:30 UTC
Update - As planned, we will perform the maintenance window tomorrow as scheduled. We do not expect any downtime, but please note that you may experience degraded performance or interruptions.

We will update you once the maintenance is complete. Thank you for your patience and understanding.
Feb 18, 2026 03:30-06:30 UTC
Update - We will be undergoing scheduled maintenance during this time.
Feb 18, 2026 03:30-06:30 UTC
Scheduled - We will be performing scheduled maintenance on the Flex API on February 18th, from 3:30 AM to 6:30 AM UTC. During this period, the platform will undergo a series of routine maintenance tasks. No downtime or service interruption is expected, and the Flex API will remain fully available throughout the maintenance period. We will provide an update once the maintenance is complete. Thank you for your understanding.
Feb 18, 2026 03:30-06:30 UTC

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Maintenance

Scheduled Maintenance

Weekly Scheduled Maintenance - Flights Data Processing system Feb 18, 2026 10:00-12:00 UTC

We will be performing scheduled maintenance of our Flights Data Processing system on Wednesday 18th February from 10:00 to 12:00 UTC. During this period, the system will undergo a series of routine maintenance tasks. Users of services that surface flights data may experience degraded performance or interruptions. Please contact our help desk with any questions.
Posted on Feb 04, 2026 - 10:11 UTC

Weekly Scheduled Maintenance - Flights Data Processing system Feb 25, 2026 10:00-12:00 UTC

We will be performing scheduled maintenance of our Flights Data Processing system on Wednesday 25th February from 10:00 to 12:00 UTC. During this period, the system will undergo a series of routine maintenance tasks. Users of services that surface flights data may experience degraded performance or interruptions. Please contact our help desk with any questions.
Posted on Feb 04, 2026 - 10:12 UTC
Feb 18, 2026

Unresolved incident: Scheduled Maintenance: Flex API – No Downtime Expected.

Feb 17, 2026

No incidents reported.

Feb 16, 2026

No incidents reported.

Feb 15, 2026

No incidents reported.

Feb 14, 2026

No incidents reported.

Feb 13, 2026

No incidents reported.

Feb 12, 2026

No incidents reported.

Feb 11, 2026
Weekly Scheduled Maintenance - Flights Data Processing system
Completed - The scheduled maintenance has been completed.
Feb 11, 12:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 11, 10:00 UTC
Scheduled - We will be performing scheduled maintenance of our Flights Data Processing system on Wednesday 11th February from 10:00 to 12:00 UTC. During this period, the system will undergo a series of routine maintenance tasks. Users of services that surface flights data may experience degraded performance or interruptions. Please contact our help desk with any questions.
Feb 4, 10:09 UTC
Feb 10, 2026
Planned Maintenance - Cirium Sky Warehouse – 10th February 2026
Completed - The scheduled maintenance has been completed.
Feb 10, 17:46 UTC
Update - The maintenance is complete, however Snowflake will be making some updates over the next few hours which could result in stale data. We will advise on full completion.
Feb 10, 14:07 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 10, 09:00 UTC
Scheduled - We will be performing scheduled maintenance on Cirium Sky Warehouse on Tuesday, 10th February 2026, 09:00 to 00:00 UTC. During this time, customers may experience some downtime or reduced performance. In addition, customers may experience some additional latency in receiving updates to hourly datasets throughout the afternoon.
Jan 8, 12:11 UTC
Unscheduled Maintenance - Cirium Historical Flight Status APIs
Completed - The scheduled maintenance has been completed.
Feb 10, 08:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 10, 06:30 UTC
Scheduled - We will be performing a release to the new Cirium Sky API platform on Tuesday 6th February, from 06:30 to 08:30 UTC. During this period, there may be a period of downtime or reduced performance affecting the Flightstats (Flex) and the Cirium Sky Historical Flight Status APIs.
Feb 9, 12:56 UTC
Planned Maintenance - Cirium Laminar APIs and NOTAM Streams – 10th February 2026
Completed - The scheduled maintenance has been completed.
Feb 10, 07:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 10, 04:30 UTC
Scheduled - Cirium APIs (Laminar Data Hub), Cirium SKY Laminar APIs and the Cirium Sky Stream NOTAMS feed will be undergoing maintenance, on Tuesday, 10th February 2026 from 04:30 UTC to 07:30 UTC as part of a planned maintenance window.

During this period, the platform will undergo a series of routine maintenance tasks.

No extended downtime is expected, but temporary unavailability or reduced performance may be experienced during the period of the maintenance window.

Please note that the maintenance window might be extended if necessary, and any extensions will be promptly notified.

Please feel free to contact us if you have any concerns or questions.

Thanks
Jan 16, 05:12 UTC
Feb 9, 2026

No incidents reported.

Feb 8, 2026

No incidents reported.

Feb 7, 2026

No incidents reported.

Feb 6, 2026

No incidents reported.

Feb 5, 2026

No incidents reported.

Feb 4, 2026
Scheduled Maintenance - Flights Data Processing system
Completed - The scheduled maintenance has been completed.
Feb 4, 12:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 4, 10:00 UTC
Scheduled - We will be performing scheduled maintenance of our Flights Data Processing system on Wednesday, 4th February from 10:00 to 12:00 UTC. During this period, the system will undergo a series of routine maintenance tasks. Users of services that surface flights data may experience degraded performance or interruptions. Please contact our help desk with any questions.
Jan 28, 11:43 UTC
Scheduled Maintenance - My Cirium - 4th February 2026
Completed - The scheduled maintenance has been completed.
Feb 4, 11:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 4, 09:00 UTC
Scheduled - There will be a scheduled maintenance window on Wednesday, 4th February from 09:00 to 11:00 UTC. This will impact My Cirium (my.cirium.com). Please expect some downtime during the period of the maintenance window. We will provide an update once the maintenance window has been completed.
Jan 30, 11:14 UTC
Scheduled Maintenance - Trips Data Services - 4th February 2026.
Completed - The scheduled maintenance has been completed.
Feb 4, 10:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 4, 07:30 UTC
Scheduled - We will be performing maintenance to our Trip Data Services on 4th February from from 07:30 to 10:30 UTC. During this period, the platform will undergo a series of maintenance tasks and upgrades. No extended downtime is expected, but some unavailability or reduced performance may be experienced during the maintenance window. Please contact our Help Desk if you have any questions.
Feb 3, 15:26 UTC
Extended Unscheduled Maintenance - Cirium Historical Flight Status and Alerts APIs
Completed - The scheduled maintenance has been completed.
Feb 4, 09:30 UTC
Update - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 4, 06:39 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 4, 06:38 UTC
Update - We will be undergoing scheduled maintenance during this time.
Feb 4, 06:37 UTC
Scheduled - Due to the deployment taking longer than expected, the maintenance window has been extended until 09:30 AM UTC.
Feb 4, 06:37 UTC
Unscheduled Maintenance - Cirium Historical Flight Status and Alerts APIs
Completed - The scheduled maintenance has been completed.
Feb 4, 06:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 4, 04:30 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.
Feb 3, 15:18 UTC
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