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Welcome to our status page where you can see the current status of our products. If you require further assistance please contact us through the Cirium Help Desk.

Diio Mi Operational
SRS Analyzer Operational
Dashboard Operational
Fleets Analyzer Operational
Values Analyzer Operational
Profiles Operational
Asset Watch Operational
Value Trends Operational
Ground Events Operational
Fleet Insights Operational
Pulse Operational
Market Alerts Operational
Schedule Snapshot Operational
Advanced Bookings Operational
Cirium Sky™ APIs Operational
Cirium Sky™ Warehouse Operational
Cirium Sky™ Stream Operational
Proactive & Traveler Services Operational
FlightStats.com Operational
Professional Data Services Operational
Cirium Workbooks Operational
My Cirium Operational
Cirium Journey™ OTP Awards AI Operational
Cirium Journey™ OTP Improvement AI Operational
Cirium Sky™ Schedule Files Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance

Scheduled Maintenance

Scheduled Maintenance Notification - Temporary Delay to Tracked Utilization Updates Jul 22, 2026 02:30-04:30 UTC

We will be performing planned maintenance on Wednesday, 22 July 2026 from 02:30 UTC to 04:30 UTC to support a critical infrastructure upgrade. During this window, Tracked Utilization data updates may be delayed by approximately 1.5-2 hours in our Sky Warehouse environments. No data loss is expected, and any delayed updates will be processed automatically once maintenance is complete. Data freshness will return to normal following the maintenance window. We apologize for any inconvenience and appreciate your patience as we complete this essential work. If you have any questions, please contact the Cirium Help Desk.
Posted on Jul 21, 2026 - 16:58 UTC

Weekly Scheduled Maintenance - Flights Data Processing system Jul 22, 2026 09:00-11:00 UTC

We will be performing scheduled maintenance of our Flights Data Processing system on Wednesday, 22nd July from 09:00 to 11:00 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 Jun 24, 2026 - 08:52 UTC

Scheduled Quarterly Maintenance - Cirium APIs (Sky and Flightstats), Cirium Sky Warehouse, Cirium Sky Stream Jul 29, 2026 08:00-13:00 UTC

We will be performing maintenance on our Flights Data Processing system on Wednesday, 29th July from 08:00 to 13:00 UTC. During this period, the service will undergo a series of maintenance tasks and upgrades. No extended downtime is expected, but some unavailability or reduced performance of services that surface flights, aeronautical, emissions and NOTAM data may be experienced during the maintenance window. Please contact our Help Desk if you have any questions.
Posted on Jul 01, 2026 - 09:52 UTC

Weekly Scheduled Maintenance - Flights Data Processing system Jul 29, 2026 09:00-11:00 UTC

We will be performing scheduled maintenance of our Flights Data Processing system on Wednesday, 29th July from 09:00 to 11:00 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 Jun 24, 2026 - 08:53 UTC

Weekly Scheduled Maintenance - Flights Data Processing system Aug 5, 2026 09:00-11:00 UTC

We will be performing scheduled maintenance of our Flights Data Processing system on Wednesday, 5th August from 09:00 to 11:00 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 Jul 14, 2026 - 11:37 UTC
Jul 21, 2026
Scheduled Maintenance - Cirium Sky API Platform - 21st July 2026
Completed - The scheduled maintenance has been completed.
Jul 21, 11:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jul 21, 08:00 UTC
Scheduled - We will be performing maintenance to the new Cirium Sky API platform on 21st July 2026, from 08:00 to 11:00 UTC. During this period, the service will undergo a series of maintenance tasks and upgrades. No extended downtime is expected, but some unavailability or reduced performance of Cirium Sky APIs may be experienced during the maintenance window. This maintenance does not affect the Flightstats (Flex) or Laminar Data Hub API services. Please contact our Help Desk if you have any questions.
Jul 7, 11:58 UTC
Jul 20, 2026
Schedule Data Ingestion Delay (Sky Warehouse)
Resolved - The upstream issue affecting Schedule data ingestion into Sky Warehouse has been resolved, and normal data flow has been restored. Schedule data is now current and available as expected. We apologize for any inconvenience and appreciate your patience while our team worked to address the issue.
Jul 20, 13:30 UTC
Investigating - We are currently investigating an upstream issue affecting Schedule data ingestion into the Sky Warehouse, which started on July 17, 2026 at 09:00 UTC and is resulting in stale data. At present, schedule data from July 16 onward is unavailable, with the most recent available data dated July 15.

Our team is actively working to resolve the issue and restore normal data flow. Further updates will be provided as more information becomes available. Please contact our Help Desk if you have any questions.
Jul 17, 10:07 UTC
Flight Data Acquisition System Maintenance
Completed - The scheduled maintenance has been completed.
Jul 20, 13:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jul 20, 12:30 UTC
Scheduled - We will be performing system maintenance on one of our flight data providers. There is a small possibility of a very brief, minor degradation in flight status updates affecting the Cirium Sky Stream system on the 20th of July between 12:30 and 13:30 UTC. Please contact our Help Desk if you have any questions.
Jul 20, 10:24 UTC
Scheduled Maintenance - Cirium Sky API Platform - Monday 20th July
Completed - The scheduled maintenance has been completed.
Jul 20, 07:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jul 20, 06:30 UTC
Scheduled - We will be performing maintenance to the new Cirium Sky API platform on Monday, 20th July from 06:30 to 07:30 UTC. During this period, the service will undergo an upgrade to allow Flight Alerts HMAC validation using migrated customers existing appKeys. No extended downtime is expected, but some unavailability of the Alerts service or reduced performance may be experienced during the maintenance window. This maintenance does not affect the Flightstats (Flex) or Laminar Data Hub API services. Please contact our Help Desk if you have any questions.
Jul 6, 12:38 UTC
Jul 19, 2026

No incidents reported.

Jul 18, 2026

No incidents reported.

Jul 17, 2026
Values Analyzer - temporary unavailability of Online Values for a subset of assets
Resolved - This incident has been resolved and Online Valuations can be ran for all the affected assets. Please accept our apologies for any disruption caused.
Jul 17, 08:12 UTC
Identified - Values Analyzer - Online Values are temporarily unavailable due to an issue with the engine maintenance cost data. The following assets are affected:
Boeing 777-200LR, 200LRF, 200LRMF, 300ER, 300ERSF/MF/CF
Boeing 767-300ER, 300ERF, 300SF/BCF, 200ER
CRJ700, CRJ900, CRJ1000
General Electric GE90-110, GE90-115
General Electric CF6-80C2B6F
General Electric CF34-8C5B1, 8C5A2, 8C5A3
Our engineers are working on the data fix. In the meantime, users will be prompted to request a Desktop Valuation.
Please contact our Helpdesk with any questions.
Jul 8, 08:48 UTC
Jul 16, 2026

No incidents reported.

Jul 15, 2026
EXTENDED: Scheduled Maintenance - Trips Data Services - 15th July 2026
Completed - The scheduled maintenance has been completed.
Jul 15, 14:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jul 15, 09:01 UTC
Scheduled - Today's scheduled maintenance of the Trip Data Services has been extended by up to 5 hours due to network connectivity issues. During this time, imports and alerts will be paused, and inbound and outbound trip services will be unavailable. Please accept our apologies for any disruption caused and contact our Help Desk if you have any questions.
Jul 15, 09:00 UTC
Weekly Scheduled Maintenance - Flights Data Processing system
Completed - The scheduled maintenance has been completed.
Jul 15, 11:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jul 15, 09:00 UTC
Scheduled - We will be performing scheduled maintenance of our Flights Data Processing system on Wednesday, 15th July from 09:00 to 11:00 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.
Jun 24, 08:52 UTC
Scheduled Maintenance - Trips Data Services - 15th July 2026
Completed - The scheduled maintenance has been completed.
Jul 15, 08:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jul 15, 04:30 UTC
Scheduled - We will be performing maintenance to our Trip Data Services on Wednesday, 15th July from 04:30 to 08:30 UTC. During this period, the platform will undergo a series of critical maintenance tasks and upgrades. Imports and alerts will be paused, and inbound and outbound trip services will be unavailable. Please contact our Help Desk if you have any questions.
Jul 8, 15:22 UTC
Jul 14, 2026
Planned Maintenance - Cirium Sky Warehouse - 14th July 2026
Completed - The scheduled maintenance has been completed.
Jul 14, 11:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jul 14, 09:00 UTC
Scheduled - We are updating aircraft manufacturer information across our historical and live aircraft data. As part of this change, a data refresh is required for Tracked Utilization (TU) data in Sky Warehouse.

During the refresh window, Tracked Utilization data may appear temporarily out of date between 09:00 and 11:00 UTC on Tuesday, 14 July while downstream systems are reprocessed.

The refreshed data, including the updated manufacturer information, is expected to be available from 12:00 UTC onwards once processing has completed. During this period, you may notice temporary differences between related datasets as updates propagate through downstream systems.

We apologise for any inconvenience and appreciate your patience while these updates are being applied. If you have any questions or are interested in understanding what specific changes are happening, please contact the Cirium Support team.”
Jul 13, 11:23 UTC
Jul 13, 2026
Service Disruption - Historical Flight Status API and Historical Flight Status Lookup (Resolved)
Resolved - On Monday, 13th July 2026 from 13:53 UTC to 15:49 UTC, customers experienced HTTP 503 errors when accessing the Historical Flight Status API and no data returned from the Historical Flight Status tool on FlightStats.com. We have addressed the issue and increased the database storage allocation, restoring normal service operation. This incident has been resolved and the service remains stable while we continue to monitor.
Jul 13, 16:29 UTC
Jul 12, 2026

No incidents reported.

Jul 11, 2026

No incidents reported.

Jul 10, 2026

No incidents reported.

Jul 9, 2026

No incidents reported.

Jul 8, 2026
Weekly Scheduled Maintenance - Flights Data Processing system
Completed - The scheduled maintenance has been completed.
Jul 8, 11:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jul 8, 09:00 UTC
Scheduled - We will be performing scheduled maintenance of our Flights Data Processing system on Wednesday, 8th July from 09:00 to 11:00 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.
Jun 24, 08:51 UTC
Scheduled Maintenance - Trips Data Services - 8th July 2026
Completed - The scheduled maintenance has been completed.
Jul 8, 08:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jul 8, 04:30 UTC
Update - We will be undergoing scheduled maintenance during this time.
Jul 6, 10:15 UTC
Scheduled - We will be performing maintenance to our Trip Data Services on Wednesday, 8th July from 04:30 to 08:30 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.
Jul 6, 10:14 UTC
Jul 7, 2026

No incidents reported.

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