Cirium Sky Warehouse Flight data update issue
Update - Our engineering team is continuing the task of backfilling the missing flights data, affecting in particular the 23rd and 24th March. We will post a further update as soon as possible and appreciate your continued patience whilst we work on this critical data fix.
Mar 31, 2025 - 13:25 UTC
Update - We are continuing to work on backfilling the flights data in Cirium Sky™ Warehouse. A further update will be provided shortly.
Mar 27, 2025 - 15:15 UTC
Monitoring - A fix has been implemented and we're monitoring the results. Flight data is expected to take up to the next 1-2 hours to be fully caught up. We are continuing to work on backfilling the flights data.
Mar 25, 2025 - 22:34 UTC
Identified - A fix has been identified and we expected flight status updates to resume in the next 2 hours. We will provide another update here once our services are stabilized. Please contact our Help Desk with any questions.
Mar 25, 2025 - 19:34 UTC
Investigating - Engineering is currently investigating an issue with populating the Flights, Codeshares, and Diversions tables with new data in the Cirium Sky™ Warehouse. The incident started on Sunday, March 23, 2025 at approx. 3:00 AM UTC and we are working to remediate the problem with the highest priority. Please contact our Help Desk if you have any questions.
Mar 24, 2025 - 21:57 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.

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Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Apr 2, 2025

No incidents reported today.

Apr 1, 2025
Unscheduled Critical Maintenance - Cirium Sky Flex APIs - 1st April 2025
Completed - The scheduled maintenance has been completed.
Apr 1, 17:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 1, 15:00 UTC
Scheduled - Cirium Sky Flex APIs will be undergoing maintenance today, 1st April, from 15:00 to 17:00 UTC to release a critical server upgrade. During this time there will be a complete outage which may last up to 5 minutes.
Apr 1, 14:35 UTC
Mar 31, 2025
Unscheduled Critical Maintenance - Cirium Sky Flex APIs - 31st March 2025
Completed - The scheduled maintenance has been completed.
Mar 31, 16:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 31, 14:00 UTC
Update - We will be undergoing scheduled maintenance during this time.
Mar 31, 11:52 UTC
Scheduled - Cirium Sky Flex APIs will be undergoing maintenance today, 31st March, from 14:00 to 16:00 UTC to release a critical server upgrade. During this time there will be a complete outage which may last up to 5 minutes.

Please contact the help desk should you have any questions or concerns.
Mar 31, 11:51 UTC
Mar 30, 2025

No incidents reported.

Mar 29, 2025

No incidents reported.

Mar 28, 2025

No incidents reported.

Mar 27, 2025
Scheduled Maintenance - Cirium Sky Stream - 27th March 2025
Completed - The scheduled maintenance has been completed.
Mar 27, 18:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 27, 13:00 UTC
Scheduled - Cirium Sky Stream will be undergoing maintenance, on Thursday, 27th March 2025 from 13:00 UTC to 18:00 UTC. Some unavailability or reduced performance may be experienced during the period of the maintenance window. Thank you for your understanding. Please contact our Help Desk if you have any questions.
Mar 13, 19:50 UTC
Mar 26, 2025
Scheduled Maintenance - My Cirium - 26th March 2025
Completed - The scheduled maintenance has been completed.
Mar 26, 11:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 26, 09:00 UTC
Scheduled - There will be a scheduled maintenance window on Wednesday, 26th March, from 09:00 to 11:00 UTC. This will impact My Cirium (my.cirium.com). Please expect some downtime during this period. We will provide an update once the maintenance window has been completed.
Mar 24, 10:20 UTC
Flight Status not updating
Resolved - This incident has been resolved. All our services are running as expected and the data has caught up.
Mar 26, 09:22 UTC
Monitoring - A fix has been implemented and we're monitoring the results. Flight data is expected to take up to the next 1-2 hours to be fully caught up. We will provide another update on 2026-03-26 at 5:30 AM UTC.
Mar 25, 22:34 UTC
Update - A fix has been identified and we expected all services to resume in the next 2 hours. We will provide another update here once our services are stabilized. Please contact our Help Desk with any questions.
Mar 25, 19:33 UTC
Identified - The issue has been identified and a fix is being implemented.
Mar 25, 17:18 UTC
Investigating - Customers are reporting no flight status updates since approximately 09:30 UTC, 25th March 2025. This is affecting several products. We are investigating with the highest priority and will provide an update as soon as possible.
Mar 25, 13:14 UTC
Planned Maintenance Window - Proactive & Traveler Services - 26th March 2025
Completed - The scheduled maintenance has been completed.
Mar 26, 08:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 26, 06:30 UTC
Scheduled - Cirium's Proactive and Traveler Services will be undergoing scheduled maintenance on Wednesday 26th March between 06:30 and 08:30 UTC. During this period, the platform will undergo a series of routine maintenance tasks and upgrades. No extended downtime is expected, but some unavailability or reduced performance may be experienced during the period of the maintenance window.

Please feel free to contact us if you have any concerns or questions.
Mar 25, 10:30 UTC
Mar 25, 2025
Scheduled Maintenance - Cirium Sky Stream - 25th March 2025
Completed - The scheduled maintenance has been completed.
Mar 25, 21:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 25, 13:00 UTC
Scheduled - Cirium Sky Stream will be undergoing maintenance, on Tuesday, 25th March 2025 from 13:00 UTC to 21:00 UTC. Some unavailability or reduced performance may be experienced during the period of the maintenance window. Thank you for your understanding. Please contact our Help Desk if you have any questions.
Mar 13, 19:48 UTC
Mar 24, 2025
PDS Fleets - Deliveries delayed - API services affected
Resolved - This incident has been resolved.
Mar 24, 13:52 UTC
Investigating - Deliveries from PDS Fleets services for Mon 24th Mar 2025 are delayed. Ascend API services provided by Pro Data Services may also be unavailable during this time. Any client issues, please contact us at helpdesk.cirium.com.
Mar 24, 11:10 UTC
London Heathrow Closure - 21st March 2025
Resolved - This incident has been resolved.
Mar 24, 09:19 UTC
Monitoring - Following the announcement of the closure of London Heathrow (LHR) today, Friday 21st March, Cirium has taken the decision to mark all scheduled departures as cancelled. We are monitoring the situation closely, and will continue to review over the weekend.

For travellers, you can check your flight at https://www.flightstats.com/v2/, or on the FlightStats mobile app, however we recommend contacting your airline directly to confirm the status and discuss alternative arrangements.
Mar 21, 11:26 UTC
Mar 23, 2025

No incidents reported.

Mar 22, 2025

No incidents reported.

Mar 21, 2025
Planned Maintenance Window - Proactive & Traveler Services - 21st March 2025
Completed - The scheduled maintenance has been completed.
Mar 21, 10:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 21, 09:30 UTC
Scheduled - Cirium's Proactive and Traveler Services will be undergoing scheduled maintenance on Friday 21st March between 09:30 and 10:30 UTC. During this period, the platform will undergo a series of routine maintenance tasks and upgrades. No extended downtime is expected, but some unavailability or reduced performance may be experienced during the period of the maintenance window.

Please feel free to contact us if you have any concerns or questions.
Mar 18, 17:09 UTC
Mar 20, 2025

No incidents reported.

Mar 19, 2025

No incidents reported.

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