Intermittent Errors - FlightStats Flight Status API
Investigating - We are investigating intermittent server errors impacting the FlightStats Flight Status API, first observed around 12:30 AM UTC on 2026-03-25. A limited number of customers may be impacted. The next update will be provided by 02:00 AM UTC on 2026-03-26.
Mar 25, 2026 - 18:49 UTC
PDS File Delivery Delays
Update - Our engineers continue to work on a permanent solution to address the file delivery issue, however this may take several days. In the meantime we will continue with manual file deliveries. Thank you for your continued patience.
Mar 25, 2026 - 12:53 UTC
Update - Our Professional Data Services team has now cleared the backlog of delayed deliveries, and processing is currently up to date. We continue to investigate a longer-term solution to address the underlying server issue and prevent recurrence. In the interim, files will be delivered manually, with a target of same-day delivery. Thank you for your continued patience while we work toward a permanent resolution. We will provide the next update, on or around 10:00 UTC on 2026-03-25.
Mar 24, 2026 - 23:23 UTC
Identified - We have identified what we believe to be the underlying issue and are investigating next steps. In parallel, the PDS team are working to address the backlog of delayed deliveries, however this is a manual task and will take some time to complete. Your continued patience is highly appreciated. We will provide the next update, on or around 10:00 UTC tomorrow.
Mar 24, 2026 - 16:44 UTC
Update - Our engineers are continuing to investigate the issue that is preventing the delivery of PDS Fleets data. A further update will be posted at or around 17:00 UTC. Thank you for continued patience and understanding. Please reach out to the Help Desk if you require further assistance.
Mar 24, 2026 - 11:34 UTC
Update - Our engineers are continuing to investigate the issue that is preventing the delivery of PDS Fleets data. A further update will be posted at or around 09:00 UTC tomorrow, 24th March. Thank you for your patience and understanding.
Mar 23, 2026 - 17:08 UTC
Investigating - We are investigating a server connectivity issue that is preventing the completion of PDS Fleets daily deliveries. We apologise for the inconvenience caused and will post a further update no later than 17:00 UTC.
For clarification, this incident does not affect the Cirium Fleets API service.
Mar 23, 2026 - 09:28 UTC

About This Site

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 Degraded Performance
Cirium Sky™ Warehouse Operational
Cirium Sky™ Stream Operational
Proactive & Traveler Services Operational
FlightStats.com Operational
Professional Data Services Degraded Performance
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

Weekly Scheduled Maintenance - Flights Data Processing system Apr 1, 2026 10:00-12:00 UTC

We will be performing scheduled maintenance of our Flights Data Processing system on Wednesday 1st April 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 Mar 24, 2026 - 17:12 UTC

Scheduled Quarterly Maintenance – Cirium Sky™ Stream Apr 8, 2026 08:00-13:00 UTC

We will be performing maintenance on Cirium Sky™ Stream on Wednesday, 8th April from 08:00 to 13:00 UTC. During this period, the platforms will undergo a series of maintenance tasks and upgrades. Customers may experience latency or downtime during the maintenance window. Please contact our Help Desk if you have any questions.
Posted on Mar 06, 2026 - 14:50 UTC

Weekly Scheduled Maintenance - Flights Data Processing system Apr 8, 2026 10:00-12:00 UTC

We will be performing scheduled maintenance of our Flights Data Processing system on Wednesday 8th April 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 Mar 24, 2026 - 17:12 UTC

Scheduled Quarterly Maintenance - Cirium Sky API Platform - 14th April 2026 Apr 14, 2026 09:00-13:00 UTC

We will be performing maintenance to the new Cirium Sky API platform on Tuesday 14th April, from 09:00 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 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.
Posted on Mar 11, 2026 - 10:58 UTC

Weekly Scheduled Maintenance - Flights Data Processing system Apr 15, 2026 10:00-12:00 UTC

We will be performing scheduled maintenance of our Flights Data Processing system on Wednesday 15th April 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 Mar 24, 2026 - 17:14 UTC

Weekly Scheduled Maintenance - Flights Data Processing system Apr 22, 2026 10:00-12:00 UTC

We will be performing scheduled maintenance of our Flights Data Processing system on Wednesday 22nd April 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 Mar 24, 2026 - 17:15 UTC

Weekly Scheduled Maintenance - Flights Data Processing system Apr 29, 2026 10:00-12:00 UTC

We will be performing scheduled maintenance of our Flights Data Processing system on Wednesday 29th April 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 Mar 24, 2026 - 17:16 UTC
Mar 25, 2026
Weekly Scheduled Maintenance - Flights Data Processing system
Completed - The scheduled maintenance has been completed.
Mar 25, 12:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 25, 10:00 UTC
Update - We will be undergoing scheduled maintenance during this time.
Mar 23, 10:50 UTC
Scheduled - We will be performing scheduled maintenance of our Flights Data Processing system on Wednesday 25th March 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 25, 09:15 UTC
Scheduled Maintenance - Trips Data Services - 25th March 2026
Completed - The scheduled maintenance has been completed.
Mar 25, 08:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 25, 04:30 UTC
Scheduled - We will be performing maintenance to our Trip Data Services on Wednesday, 25th March, 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.
Mar 24, 14:06 UTC
Scheduled Maintenance - Flightstats API Platform - 25th March 2026
Completed - The scheduled maintenance has been completed.
Mar 25, 01:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 25, 00:00 UTC
Scheduled - We will be performing maintenance to the Flightstats API platform (https://developer.flightstats.com/) on Wednesday, 25th March, from 00:00 to 01:00 UTC. During this period, the Flight Status API will be unavailable. This maintenance does not affect the new Cirium Sky API platform. Please contact our Help Desk if you have any questions.
Mar 16, 14:24 UTC
Mar 24, 2026
Mar 23, 2026
Flight Data Outage
Resolved - The VPN connection has been restored and flight data is being received as expected from the affected upstream providers. Please accept our apologies for any disruption caused and contact the Help Desk for further assistance.
Mar 23, 11:27 UTC
Update - We are continuing to investigate this issue.
Mar 23, 10:54 UTC
Update - We are continuing to investigate this issue.
Mar 23, 10:35 UTC
Investigating - We are investigating a VPN issue that is affecting the ingestion of flight data from multiple airlines. The impact of this is stale flight status data in the Cirium Sky APIs, Stream and Data Warehouse, Trips and Flightstats.com. We apologise for the inconvenience caused and will post a further update no later than 14:30 UTC.
Mar 23, 10:32 UTC
Mar 22, 2026

No incidents reported.

Mar 21, 2026

No incidents reported.

Mar 20, 2026

No incidents reported.

Mar 19, 2026

No incidents reported.

Mar 18, 2026
Weekly Scheduled Maintenance - Flights Data Processing system
Completed - The scheduled maintenance has been completed.
Mar 18, 12:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 18, 10:00 UTC
Scheduled - We will be performing scheduled maintenance of our Flights Data Processing system on Wednesday 18th March 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 25, 09:14 UTC
Mar 17, 2026
Degraded Performance Issues - Cirium Sky API Platform, Flightstats.com and Trips Data Services
Resolved - This incident has been resolved. Please accept our apologies for any disruption caused and contact the Help Desk for further assistance.
Mar 17, 11:53 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Mar 17, 11:33 UTC
Update - We are continuing to investigate this issue.
Mar 17, 11:30 UTC
Update - We are continuing to investigate this issue.
Mar 17, 11:14 UTC
Investigating - We’re currently experiencing degraded performance issues with the Cirium Sky API platform, Flightstats.com and Trip Center. Users may observe a high number of server errors. Our team is currently working to restore normal performance levels. We apologize for any inconvenience. We will post a further update no later than 14:45 UTC.
Mar 17, 10:46 UTC
Scheduled Maintenance - Cirium Sky API Platform & FlightStats.com - 17th March 2026
Completed - The scheduled maintenance has been completed.
Mar 17, 10:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 17, 08:31 UTC
Scheduled - We will be performing maintenance to the new Cirium Sky API platform and FlightStats.com website on date, from 08:30 to 10:30 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 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.
Mar 16, 14:41 UTC
Scheduled Maintenance - Trips Data Services - 17th March 2026
Completed - The scheduled maintenance has been completed.
Mar 17, 08:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 17, 02:00 UTC
Scheduled - We will be performing critical maintenance to our Trip Data Services on Tuesday, 17th March, from 02:00 to 08:30 UTC. During this period, the platform be unavailable, with all imports and alerts paused. There is also the potential that the downtime could be extended. We will post further updates if required. We appreciate your patience and understanding. Please contact our Help Desk if you have any questions.
Mar 16, 10:41 UTC
Mar 16, 2026

No incidents reported.

Mar 15, 2026

No incidents reported.

Mar 14, 2026

No incidents reported.

Mar 13, 2026

No incidents reported.

Mar 12, 2026
Scheduled Maintenance - Trips Data Services - 12th March 2026
Completed - The scheduled maintenance has been completed.
Mar 12, 08:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 12, 03:30 UTC
Scheduled - We will be performing maintenance to our Trip Data Services on Thursday, 12th March from 03:30 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.
Mar 11, 11:43 UTC
Mar 11, 2026
Scheduled Maintenance – Sky Stream Positional Feed
Completed - The scheduled maintenance has been completed.
Mar 11, 19:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 11, 17:00 UTC
Scheduled - Scheduled maintenance by an upstream data supplier has been scheduled for 11‑MAR‑2026 from 17:00 to 19:00 UTC, affecting the Sky Stream Positional Feed. During this time, customers may experience a degraded level of service, including intermittent interruptions or reduced availability of positional data.

Degraded service is expected throughout the maintenance window, with possible intermittent interruptions to the feed. Our team will monitor the behaviour of the stream and will provide updates if any unexpected issues arise. Please contact our help desk with any questions.
Mar 9, 09:48 UTC
Weekly Scheduled Maintenance - Flights Data Processing system
Completed - The scheduled maintenance has been completed.
Mar 11, 12:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 11, 10:00 UTC
Scheduled - We will be performing scheduled maintenance of our Flights Data Processing system on Wednesday 11th March 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 25, 09:13 UTC
Scheduled Maintenance - Diio Mi
Completed - The scheduled maintenance has been completed.
Mar 11, 09:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 11, 04:00 UTC
Scheduled - We will be performing scheduled planned maintenance on Diio Mi on Wednesday, March 11, 2026 from 04:00 to 09:00 UTC. During this period, the platform will undergo a series of routine maintenance tasks. Users can expect the website (https://mi.diio.net/mi/) will be unavailable during this time frame. Please contact our Help Desk with any questions.
Mar 10, 16:54 UTC
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