Planned Maintenance - Cirium Sky Schedule Files - 1st Septmber 2026
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 01, 2026 - 00:30 UTC
Update - We will be undergoing scheduled maintenance during this time.
Sep 1, 2026 00:30-04:30 UTC
Scheduled - Cirium Sky™ Schedule Files will be undergoing maintenance on Tuesday, 1st September 2026 from 00:30 to 04:30 UTC as part of a planned maintenance window. During this period, we will be upgrading our backend infrastructure to further enhance the security and reliability of our SFTP delivery service. The customer-facing SFTP endpoint, ftp.us.cirium.com, will remain unchanged.

As part of this upgrade, customers may receive a host key verification/change warning when connecting for the first time after the maintenance window:

Interactive users will typically need to accept the new host key once.
Automated jobs, scripts, or applications that perform host key validation may require an update after the maintenance.

We will be on hand to provide support after the cutover. Please feel free to contact us if you have any concerns or questions.
Sep 1, 2026 00:30-04:30 UTC

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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
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Cirium Sky™ Schedule Files Under Maintenance
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance

Scheduled Maintenance

Scheduled Maintenance - Flightstats (Flex) API Platform - 2nd September 2026 Sep 2, 2026 04:30-07:30 UTC

We will be performing maintenance to the Flightstats (Flex) API platform on Wednesday, 2nd September, from 04:30 to 07:30 UTC. During this period, the service will undergo database performance tuning. No downtime is expected, but some reduced performance may be experienced during the maintenance window. This maintenance does not affect the Sky API service. Please contact our Help Desk if you have any questions.
Posted on Aug 26, 2026 - 08:33 UTC

Cirium Sky Warehouse Quarterly Maintenance Sep 2, 2026 08:00-11:00 UTC

We will be performing scheduled quarterly maintenance on the Sky Warehouse platform on 02 September 2026 at 08:00 UTC. During this period, customers may experience intermittent service interruptions, increased latency, or temporary unavailability when accessing Sky Warehouse services. Please contact our help desk with any questions.
Posted on Jul 29, 2026 - 10:44 UTC

Weekly Scheduled Maintenance - Flights Data Processing system Sep 2, 2026 09:00-11:00 UTC

We will be performing scheduled maintenance of our Flights Data Processing system on Wednesday, 2nd September, 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 Aug 26, 2026 - 09:36 UTC

Scheduled Maintenance - Cirium Sky™ APIs and Cirium Sky™ Stream, 3rd September 2026 Sep 3, 2026 15:00-15:30 UTC

We will be performing scheduled maintenance affecting Cirium Sky APIs and Cirium Sky Stream on Thursday 3rd September, from 15:00 to 15:30 UTC. During this period, a third-party positional data source will be updated. Users may experience delays in receiving positional information, and there is a small chance of a brief data outage. Please contact our help desk with any questions.
Posted on Aug 27, 2026 - 14:10 UTC

Scheduled Maintenance - PDS Fleets & Values, 6th September 2026 Sep 6, 2026 08:00-13:00 UTC

We will be performing scheduled maintenance of our PDS Fleets & Values Services on Sunday, 6th September 2026 from 08:00 to 13:00 UTC. During this period, the system will undergo a series of routine maintenance tasks. Users of these services; including the PDS Fleets API Webservices, which surface Fleets or Values data may experience degraded performance or interruptions. Additionally, scheduled file deliveries may be unavoidably delayed. Please contact our Help Desk with any questions.
Posted on Aug 12, 2026 - 09:49 UTC

Weekly Scheduled Maintenance - Flights Data Processing system Sep 9, 2026 09:00-11:00 UTC

We will be performing scheduled maintenance of our Flights Data Processing system on Wednesday, 9th September, 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 Aug 26, 2026 - 09:37 UTC

Weekly Scheduled Maintenance - Flights Data Processing system Sep 16, 2026 09:00-11:00 UTC

We will be performing scheduled maintenance of our Flights Data Processing system on Wednesday, 16th September, 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 Aug 26, 2026 - 09:38 UTC

Weekly Scheduled Maintenance - Flights Data Processing system Sep 23, 2026 09:00-11:00 UTC

We will be performing scheduled maintenance of our Flights Data Processing system on Wednesday, 23rd September, 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 Aug 26, 2026 - 09:39 UTC

Weekly Scheduled Maintenance - Flights Data Processing system Sep 30, 2026 09:00-11:00 UTC

We will be performing scheduled maintenance of our Flights Data Processing system on Wednesday, 30th September, 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 Aug 26, 2026 - 09:39 UTC
Sep 1, 2026

Unresolved incident: Planned Maintenance - Cirium Sky Schedule Files - 1st Septmber 2026.

Aug 31, 2026
Scheduled Maintenance: Potential Intermittent Login Issues
Completed - The scheduled maintenance has been completed.
Aug 31, 11:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Aug 31, 10:00 UTC
Update - We will be undergoing scheduled maintenance during this time.
Aug 31, 08:21 UTC
Scheduled - We will be undergoing scheduled maintenance during the following window: 10:00 AM – 11:00 AM UTC. During this time, you may experience intermittent login issues when accessing Fleets, Values Analyzer, Dashboard, Profiles, and Value Trends. We are monitoring the maintenance activity closely and working to minimize any disruption. If you experience login issues during this period, please try again once the maintenance window has concluded. Thank you for your patience and understanding. Please contact our Help Desk if you have any questions.
Aug 31, 08:20 UTC
Aug 30, 2026
Scheduled Maintenance - PDS Fleets & Values, 30th August 2026
Completed - The scheduled maintenance has been completed.
Aug 30, 13:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Aug 30, 08:00 UTC
Scheduled - We will be performing scheduled maintenance of our PDS Fleets & Values Services on Sunday, 30th August 2026 from 08:00 to 13:00 UTC. During this period, the system will undergo a series of routine maintenance tasks. Users of these services; including the PDS Fleets API Webservices, which surface Fleets or Values data may experience degraded performance or interruptions. Additionally, scheduled file deliveries may be unavoidably delayed. Please contact our Help Desk with any questions.
Aug 12, 09:47 UTC
Aug 29, 2026

No incidents reported.

Aug 28, 2026

No incidents reported.

Aug 27, 2026
Diio Mi and SRS Analyser outage
Resolved - We have rolled back a recent release, and service has been restored for both Diio Mi and SRS Analyzer. Our engineering team is continuing to investigate and isolate the root cause of the login issues. We sincerely apologize for the disruption and appreciate your patience while we complete our investigation. Please contact our Help Desk if you have any questions.
Aug 27, 18:19 UTC
Investigating - We’re experiencing a service outage with Diio Mi and SRS Analyser. Our team is currently working to restore the service. We apologize for the disruption caused. Next update on or before 18:30 UTC. Please contact the Help Desk if you have any questions.
Aug 27, 14:29 UTC
Investigating - Fleets Analyzer Exports Stuck in "Requested" Status
Resolved - The incident preventing the completion of Fleets Analyzer exports has been resolved. If you were affected, please go to https://dashboard.cirium.com/app/fleet/#/search/myexports and refresh the browser tab if required. Please accept our apologies for the disruption and contact the Helpdesk should you require further support.
Aug 27, 13:48 UTC
Identified - The issue has been identified and a fix is being implemented.
Aug 27, 11:46 UTC
Update - We are continuing to investigate this issue.
Aug 27, 08:26 UTC
Investigating - We are currently investigating an issue affecting Fleets Analyzer exports, where export requests may remain in "Requested" status and not complete as expected. Customers may experience delays or be unable to download export files, which may impact reporting and data retrieval activities. Our Engineering team is actively investigating the issue and working to identify the cause. We will provide further updates as soon as more information becomes available. Please contact our Help Desk with any questions. Thank you for your patience and understanding.
Aug 27, 08:24 UTC
Investigating issues with Values Analyzer - Online Values
Resolved - Our engineers were able to identify the issue which has been resolved following the overnight database refresh. All A321-200neo (XLR) valuations are running successfully. Please accept our apologies for any disruption caused and contact the Helpdesk should you require further assistance.
Aug 27, 08:16 UTC
Investigating - We are investigating an issue with Values Analyzer - Online Values. Specific and Generic valuations of the A321-200neo (XLR) are returning errors. In addition, Group, Generic Group and Portfolio valuations that contain the A321-200neo (XLR) are returning no results when ran. Our engineers are investigating and we will provide an update within 24 hours. Please contact the Helpdesk with any questions.
Aug 26, 11:02 UTC
Scheduled Maintenance: Security Enhancements for Diio Mi and SRS
Completed - The scheduled maintenance has been completed.
Aug 27, 06:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Aug 27, 04:30 UTC
Scheduled - We will be undergoing scheduled maintenance on August 27th from 4:30 AM to 6:30 AM UTC, as part of our ongoing commitment to the security, stability, and reliability of our services.

The maintenance will affect Diio Mi and SRS. Minimal service interruption may occur during the maintenance window, with any downtime expected to be less than 5 minutes. No performance degradation is expected during or after the maintenance.

Our teams will actively monitor the maintenance throughout the scheduled window and will post updates here as work progresses. We apologize for any inconvenience and appreciate your understanding as we continue to enhance the security and reliability of our services. If you have any questions or experience any issues during this maintenance window, please contact the Helpdesk.
Aug 26, 14:03 UTC
Aug 26, 2026
Weekly Scheduled Maintenance - Flights Data Processing system
Completed - The scheduled maintenance has been completed.
Aug 26, 11:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Aug 26, 09:00 UTC
Scheduled - We will be performing scheduled maintenance of our Flights Data Processing system on Wednesday, 26th 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.
Aug 4, 16:24 UTC
Aug 25, 2026

No incidents reported.

Aug 24, 2026
Cirium PDS File Delivery Outage - 23rd August 2026
Resolved - This incident has been resolved.
Aug 24, 21:30 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Aug 24, 09:32 UTC
Investigating - Cirium PDS deliveries on Sunday 23rd August were affected by an outage from our parent company’s SFTP infrastructure. The missed deliveries from Sunday will be remedied today. Please also note that the SFTP infrastructure is online and working well today (Monday 24th Aug).
Aug 24, 09:31 UTC
Aug 23, 2026

No incidents reported.

Aug 22, 2026

No incidents reported.

Aug 21, 2026
Sky Schedule Files - Delivery Delay
Resolved - Our team has resolved the schedules data issue and are completing today's file delivery jobs. Please accept our apologies for any disruption the delay may have caused.
Aug 21, 13:05 UTC
Investigating - We are currently investigating an issue affecting the creation of Sky Schedule Files. This will delay today's file deliveries. We apologise for any disruption caused and will post a further update no later than 13:00 UTC. Please contact the Help Desk with any questions.
Aug 21, 09:06 UTC
Aug 20, 2026

No incidents reported.

Aug 19, 2026
Weekly Scheduled Maintenance - Flights Data Processing system
Completed - The scheduled maintenance has been completed.
Aug 19, 11:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Aug 19, 09:00 UTC
Scheduled - We will be performing scheduled maintenance of our Flights Data Processing system on Wednesday, 19th 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.
Aug 4, 16:23 UTC
Scheduled Maintenance - Trips Data Services - 19th August 2026
Completed - The scheduled maintenance has been completed.
Aug 19, 08:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Aug 19, 04:30 UTC
Scheduled - We will be performing maintenance to our Trip Data Services on Wednesday 19th August 2026 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.
Aug 17, 08:34 UTC
Scheduled Maintenance: Security Enhancements for Diio Mi and SRS
Completed - The scheduled maintenance has been completed.
Aug 19, 06:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Aug 19, 04:31 UTC
Scheduled - We will be undergoing scheduled maintenance on August 19, 2026, from 4:30 AM to 6:30 AM UTC, as part of our ongoing commitment to the security, stability, and reliability of our services.

The maintenance will affect Diio Mi and SRS. Minimal service interruption may occur during the maintenance window, with any downtime expected to be less than 5 minutes. No performance degradation is expected during or after the maintenance.

Our teams will actively monitor the maintenance throughout the scheduled window and will post updates here as work progresses. We apologize for any inconvenience and appreciate your understanding as we continue to enhance the security and reliability of our services. If you have any questions or experience any issues during this maintenance window, please contact the Helpdesk.
Aug 18, 14:42 UTC
Aug 18, 2026
Sky Schedule Files - Delivery Delay
Resolved - This incident has been resolved.
Aug 18, 17:22 UTC
Monitoring - Our team has resolved the underlying schedules data issue and we are now working through the backlog of delivery jobs. Thank you for your continued patience.
Aug 18, 15:44 UTC
Identified - Our data engineers have identified the underlying issue and are currently implementing a fix. On successful completion, file deliveries will resume. We will post a further update on or before 16:15 UTC.
Aug 18, 12:29 UTC
Investigating - We are currently investigating an issue affecting the creation of Sky Schedule Files. This will delay today's file deliveries. We apologise for any disruption caused and will post a further update no later than 12:15 UTC. Please contact the Help Desk with any questions.
Aug 18, 08:16 UTC
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