Contact Us
Contact Us


Robust flight schedules data delivered by SSIM, SSM, Direct (custom format), APIs and more. Cirium enables flight schedule and minimum connect time data to be accessed how, where and when it is most needed, based on business and IT needs.

The most-trusted, comprehensive schedule and connections data in aviation.

Cirium schedules and MCT data includes more than 900 airlines, ensuring the most-accurate and comprehensive view of planned commercial operations.

Cirium’s airline partners serve more than 90% of the world’s airline passenger traffic. Additionally, Cirium services four of the Big Five tech firms.

Cirium provides 12-month forward-looking flight schedules, with over 280,000 updates a day.

20+ years of historical schedule data.

360,000 commercial airport pairs worldwide. 

The most, over 162,000, industry-standard Minimum Connection times (MCTs) and airline specific exceptions updated daily.

Industry-leading coverage for over 99.5% of scheduled passenger flights, representing almost 10 trillion ASKs and over 5 billion seats.

Rigorous data quality checks and validation. Cirium stands behind the data, providing customers with global world-class support and expertise.

Schedules data delivery

SSIM (Standard Schedule Information Manual)
The IATA industry-standard format for schedule distribution for airlines, airports and global distribution systems. Delivered daily, weekly, monthly, quarterly or ad-hoc.

Read the blog post, Understanding IATA SSIM Format: A Comprehensive Overview for Airlines, here.

Custom flat files based on your unique schedule requirements.

The IATA industry-standard messaging format for near real-time schedule changes and updates.

Minimum Connect Time (MCT) File
The IATA industry-standard format for minimum connect times by airport and airlines.

Global Connections
Flat file of Direct and single connections.

FIDS arrivals board

Talk to a schedules expert

Compare Cirium Schedule data to your current solution.

    Cirium is a tradename of LexisNexis Risk Solutions.

    By registering your details, you understand that your personal data will be handled according to our Privacy Policy, additionally, you confirm the information being submitted is your own.

    Schedule analytics

    Cirium’s schedule data is the foundation for end-to-end schedule solutions, comprehensive schedule data and broad data and tools needed for complex network planning, analysis and operational decision making.

    Unlock the full potential of aviation analytics

    The additional value of our schedules data is unlocked when it is combined and enriched with the broader Cirium data portfolio to deliver greater insights.

    · Status​
    · Tail / Registration numbers​
    · Aircraft types and changes​
    · Actual departure and arrival times​
    · Taxi-In and taxi-out tmes​
    · Performance metrics (CF, A14, D15, B0)​
    · Cancellations and diversions​
    · Fuel burn and CO2 estimates​​

    · Aircraft ownership and age​
    · Aircraft cycle and utilization, MTOW​ aircraft engine types
    · Class and seat configuration
    · Installed IFEC systems​ values
    · Accident data​
    · Tracked utilization​

    Traffic and fares
    · Global traffic
    ​· Historical fare​​s

    Air TrafficControl
    · FAA SWIM (TFMS)​
    · Weather – METARs, TAFs​

    RELX logo