OAG - Notice history

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Aug 2026

AUG20
(System Improvement) Planned Maintenance Thursday, 20 August 2026 @ approx 10:00 BST - Affecting Schedule Products
CompletedMaintenance6 hours
  • CompletedAugust 20, 2026 at 3:00 PMUTC
    Maintenance has completed successfully
  • In progressAugust 20, 2026 at 9:00 AMUTC
    Maintenance is now in progress
  • PlannedAugust 18, 2026 at 1:46 PMUTC

    As part of our ongoing enhancements to our services, please be advised that a scheduled maintenance is planned for Thursday, 20 August 2026, with an estimated start time of 10:00 BST.

    During the maintenance period, the supply of data will be temporarily paused while the updates are implemented. No data will be lost, and all information will be delivered in full once the maintenance is complete.

    This maintenance will affect Schedules-related products only, including:

    • Flight Info Direct (METIS)

    • Flight Info Alerts - Schedules

    • Flight Info API - Schedules

    • Schedules Dynamic

    • METIS SSIM

    We are continuously working on enhancements and improvements to our services, and these updates form part of that ongoing effort. Future releases will include more details on enhancements to highlight how they benefit our customers.

    The maintenance is expected to last for approximately 6 hours, though some flexibility may be required.

    We apologise for any inconvenience this may cause and will provide updates on the progress.

    Should you have any questions or concerns regarding this maintenance, please reach out to support@oag.com

    Thank you for your cooperation and understanding.

AUG19
Planned Maintenance – Tuesday, 18 August 2026 at approximately 10:30 BST – Possible Delays to Connections Analyser Runs
CompletedMaintenance
  • UpdateAugust 18, 2026 at 10:50 AMUTC

  • CompletedAugust 18, 2026 at 10:42 AMUTC

    The planned maintenance has been postponed until Wednesday, 19 August 2026, at approximately 10:30 BST, following an issue with the Connection Builder load process. The issue has been resolved, and the current loads will continue to complete.

    We will provide a further update tomorrow morning.

    We apologise for any inconvenience caused.

  • PlannedAugust 18, 2026 at 9:47 AMUTC

    The planned maintenance has currently been delayed due to ongoing production activity. We will provide an update shortly.

  • In progressAugust 18, 2026 at 9:00 AMUTC
    Maintenance is now in progress
  • PlannedAugust 17, 2026 at 11:45 AMUTC

    The estimated start time of 10:30BST has been delayed due to ongoing production activity. We will provide an update shortly.

    As part of our ongoing service improvements, planned maintenance will take place on Tuesday, 18 August 2026, starting at approximately 10:30 BST.

    During the maintenance period, Connections Analyser runs may be delayed. Requests will be queued and processed once the maintenance is complete. No data will be lost.

    The maintenance is expected to last between 1 and 2 hours.

    We apologise for any inconvenience this may cause. For questions, please contact support@oag.com.

AUG19
Planned Maintenance – Wednesday, 19 August 2026 at approximately 10:30 BST Planned Maintenance – Possible Delays to Connections Analyser Runs
CompletedMaintenance2 hours
  • CompletedAugust 19, 2026 at 11:30 AMUTC
    Maintenance has completed successfully
  • In progressAugust 19, 2026 at 9:30 AMUTC
    Maintenance is now in progress
  • PlannedAugust 18, 2026 at 4:12 PMUTC

    The planned maintenance, originally scheduled for Tuesday, 18 August, was postponed due to an issue encountered during preparatory activities.

    Maintenance is now scheduled to take place on Wednesday, 19 August 2026, at approximately 10:30 BST and is expected to last up to two hours.

    During this period, Connections Analyser runs may be delayed. Requests will be queued and processed once maintenance is complete, and no data will be lost.

    We apologise for any inconvenience caused.

12th August 2026 - Bookings Unadjusted Data Delayed
ResolvedDegraded performance17 hours 10 minutes
  • ResolvedUTC

    We are pleased to confirm that the Bookings Unadjusted data has now been received from our supplier and successfully processed. The data should now be available within Analyser and Snowflake as expected.

    We apologise for the delay and thank you for your patience. Should you have any queries, please do not hesitate to contact us at support@oag.com.

  • IdentifiedUTC

    We would like to advise that we have not yet received this month's Bookings unadjusted data from our supplier. As a result, the Bookings data within Analyser and Snowflake will be delayed.

    Our supplier has been notified and has confirmed they are actively investigating the matter. We will provide a further update as soon as we have more information on the expected delivery timeline.

    We apologise for any inconvenience this may cause and thank you for your patience. Should you have any queries, please do not hesitate to contact us at support@oag.com.

AUG11
Planned Maintenance Tuesday, 11 August 2026 @ approx. 08:00 BST - Possibly Affecting Delivery of Schedule Products
CompletedMaintenance9 hours 25 minutes
  • CompletedAugust 11, 2026 at 4:25 PMUTC

    We are pleased to confirm that the scheduled maintenance has been completed and all systems are operating normally.

    Thank you for your patience and understanding during this period. Should you have any queries or concerns, please do not hesitate to contact us at support@oag.com.

  • In progressAugust 11, 2026 at 1:00 PMUTC
    Maintenance is now in progress.
  • PlannedAugust 11, 2026 at 8:25 AMUTC

    We would like to advise that the scheduled maintenance window has been delayed. Due to ongoing production activity, maintenance has not yet commenced and the revised start time is now 10:30.

    We apologise for any inconvenience this may cause and will provide a further update as the situation progresses. Should you have any queries, please do not hesitate to contact us at support@oag.com.

  • In progressAugust 11, 2026 at 7:00 AMUTC
    Maintenance is now in progress
  • PlannedJuly 22, 2026 at 1:15 PMUTC

    As part of our ongoing enhancements to our services, please be advised that scheduled maintenance is planned for Tuesday, 11 August 2026, with an estimated start time of 08:00 BST.

    During the maintenance period, the delivery of some schedule products may be delayed while updates are implemented. No data will be lost, and all information will be processed and made available once the maintenance is complete.

    This maintenance may affect the following Schedules-related products and services:

    • Schedule SSIM

    • Schedule WDF

    • Schedule Custom data

    • Reference data files

    • Analyser Connection builder

    The maintenance is expected to last approximately 3 hours.

    We are continuously working to enhance and improve our services, and these updates form part of that ongoing effort.

    We apologise for any inconvenience this may cause and will provide updates on the progress.

    Should you have any questions or concerns regarding this maintenance, please contact support@oag.com.

    Thank you for your cooperation and understanding.

Jul 2026

JUL28
(System Improvement) Planned Maintenance Tuesday, 28 July 2026 @ approx 10:00 BST - Affecting Schedule Products
CompletedMaintenance2 hours
  • CompletedJuly 28, 2026 at 11:00 AMUTC
    Maintenance has completed successfully
  • In progressJuly 28, 2026 at 9:00 AMUTC
    Maintenance is now in progress
  • PlannedJuly 27, 2026 at 8:26 AMUTC

    As part of our ongoing enhancements to our services, please be advised that a scheduled maintenance is planned for Tuesday, 28 July 2026, with an estimated start time of 10:00 BST.

    During the maintenance period, the supply of data will be temporarily paused while the updates are implemented. No data will be lost, and all information will be delivered in full once the maintenance is complete.

    This maintenance will affect Schedules-related products only, including:

    • Flight Info Direct (METIS)

    • Flight Info Alerts

    • Flight Info API

    • Schedules Dynamic

    We are continuously working on enhancements and improvements to our services, and these updates form part of that ongoing effort. Future releases will include more details on enhancements to highlight how they benefit our customers.

    The maintenance is expected to last for approximately 1.5 hours, though some flexibility may be required.

    We apologise for any inconvenience this may cause and will provide updates on the progress.

    Should you have any questions or concerns regarding this maintenance, please reach out to support@oag.com

    Thank you for your cooperation and understanding.

JUL14
Planned Maintenance Tuesday, 14 July 2026 @ approx. 10:00 BST - Affecting Schedule Products
CompletedMaintenance1 hour
  • CompletedJuly 14, 2026 at 10:00 AMUTC
    Maintenance has completed successfully
  • In progressJuly 14, 2026 at 9:00 AMUTC
    Maintenance is now in progress
  • PlannedJuly 13, 2026 at 11:28 AMUTC

    As part of our ongoing enhancements to our services, please be advised that scheduled maintenance is planned for Tuesday, 14 July 2026, with an estimated start time of 10:00 BST.

    During the maintenance period, the supply of new schedule data will be temporarily paused while updates are implemented. No data will be lost, and all information will be processed and made available once the maintenance is complete.

    This maintenance may affect the following Schedules-related products and services:

    • Flight Info Direct (METIS)

    • Flight Info Alerts

    • Flight Info API

    • Schedules Dynamic

    The maintenance is expected to last approximately 60 minutes.

    We are continuously working to enhance and improve our services, and these updates form part of that ongoing effort.

    We apologise for any inconvenience this may cause and will provide updates on the progress.

    Should you have any questions or concerns regarding this maintenance, please contact support@oag.com.

    Thank you for your cooperation and understanding.

New Analyser Metis – Delayed Data Availability
Resolved4 hours 11 minutes
  • ResolvedUTC

    The issue has now been resolved. The latest data is available in Analyser Metis, and normal service has been restored. Thank you for your patience while we worked to resolve this issue.

  • UpdateUTC

    Recovery is progressing as expected. The data load is currently being processed and is expected to complete in approximately one hour. We are continuing to monitor the recovery and will provide a further update once the latest data becomes available. Thank you for your patience.

  • MonitoringUTC
    We implemented a fix and are currently monitoring the result.
  • IdentifiedUTC

    We have identified the cause of an issue affecting the New Analyser Metis data domain.

    A data load required to update Analyser Metis did not complete successfully. As a result, the latest data from yesterday is currently unavailable in New Analyser Metis. Customers using Analyser Metis may experience delayed access to the most recent data.

    Analyser Classic is operating normally and remains up to date.

    Our engineering team is actively restoring the affected data load. The current estimated time to resolution is 2–3 hours.

    We will provide further updates as recovery progresses.

SSIM and WDF Delay
ResolvedPartial outage16 hours 18 minutes
  • ResolvedUTC

    We are pleased to confirm that the processing issue which caused delays to the delivery of our SSIM and WDF files has now been fully resolved. Files are being delivered as expected and normal operations have been restored.

    We would like to take this opportunity to sincerely apologize for any disruption this incident may have caused to your operations. We understand how critical timely data delivery is for your processes, and we regret that we fell short of the standard you would expect from us on this occasion.

    Should you have any outstanding concerns or notice anything further that requires attention, please do not hesitate to get in touch and we will be happy to assist.

  • MonitoringUTC

    We have made further progress in our recovery efforts. All WDF files have now been successfully processed, and SSIM processing is continuing as we work through the remaining backlog.

    Some customers may continue to experience delays while the outstanding SSIM files are completed. Our teams continue to monitor the recovery closely and are working to restore normal processing as quickly as possible. We will provide a further update as progress continues.

  • IdentifiedUTC

    We have made significant progress in our recovery efforts, and processing of SSIM and WDF files has now resumed. We are currently working through the backlog of queued files, and some customers may continue to experience delays while normal processing is restored. Our teams continue to monitor the situation closely and will provide further updates as progress continues.

  • InvestigatingUTC

    OAG are currently experiencing a delay in the delivery of our SSIM and WDF files. This is due to late processing of inbound schedule data and some ongoing performance issues in our processing systems, which we are working with priority to address.

    We extend our sincere apologies for any inconvenience this may cause.
    OAG will provide ongoing updates as the situation progresses.

Jun 2026

JUN25
Planned Maintenance Tuesday, 30 June 2026 @ approx. 10:00 BST - Affecting Schedule Products
CompletedMaintenance

  • Please be advised that scheduled maintenance is planned for Tuesday, 30 June 2026, with an estimated start time of 10:00 BST. Please note that this is an approximate start time, as the commencement of maintenance depends on the completion of ongoing processes.

    The purpose of this maintenance is to implement terminal updates for the following airports, in line with the latest IATA notifications:

    • BER – Berlin Brandenburg Airport: Removal of Terminal 5.

    • UUD – Chinggis Khaan International Airport: Update to a terminal airport with Terminals A and B.

    During the maintenance period, the supply of data will be temporarily paused while the terminal changes are implemented. No data will be lost, and all information will be delivered in full once the maintenance is complete.

    This maintenance will affect the following products:

    • Flight Info Direct (Metis)

    • Flight Info Alerts

    • Flight Info API

    • Schedules Dynamic

    The maintenance is expected to last approximately 1 hour. However, as commencement depends on the completion of ongoing processes, timings may vary slightly.

    We apologise for any inconvenience this may cause and will provide progress updates when available.

    June 25, 2026 at 4:02 PMUTC
JUN16
Planned Maintenance – Tuesday, 16 June 2026 @ approx. 10:00 BST – Affecting Schedules Products
CompletedMaintenance46 minutes
  • CompletedJune 16, 2026 at 9:46 AMUTC

    The scheduled maintenance for our Schedules services has been successfully completed.

    All affected services are now fully operational, and the supply of schedule data has resumed. No data was lost during this activity.

    The following services are available:

    • Flight Info Direct (METIS)

    • Flight Info Alerts

    • Flight Info API

    • Schedules Dynamic

    If you experience any issues or have any questions, please contact support@oag.com.

    Thank you for your patience and understanding.

  • In progressJune 16, 2026 at 9:00 AMUTC
    Maintenance is now in progress
  • PlannedJune 15, 2026 at 11:17 AMUTC

    As part of our ongoing enhancements to our services, please be advised that scheduled maintenance is planned for Tuesday, 16 June 2026, with an estimated start time of 10:00 BST.

    During the maintenance period, the supply of new schedule data will be temporarily paused while updates are implemented. No data will be lost, and all information will be processed and made available once the maintenance is complete.

    This maintenance may affect the following Schedules-related products and services:

    • Flight Info Direct (METIS)

    • Flight Info Alerts

    • Flight Info API

    • Schedules Dynamic

    The maintenance is expected to last approximately 60 minutes.

    We are continuously working to enhance and improve our services, and these updates form part of that ongoing effort.

    We apologise for any inconvenience this may cause and will provide updates on the progress.

    Should you have any questions or concerns regarding this maintenance, please contact support@oag.com.

    Thank you for your cooperation and understanding.

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