FLX Availability Calculator

No cache, no limits, customized availability calculation you control

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High Performance, High Scalability Availability Calculation

FLX Availability Calculator is a highly performant, highly scalable solution that enables an airline to fully calculate its own availability, without taxing the PSS, while retaining full airline IP over its proprietary rules algorithm.

It’s been purpose-built for high-transaction volumes, NDC, large date-range processing, and affinity and attribute shopping. FLX Availability Calculator provides the opportunity for dramatic PSS cost savings and new revenue from optimized search results. 

Feature Highlights


High performance, high scalability solution that puts airlines in full control of availability, without taxing the PSS and retaining full airline IP over its proprietary rules.


Support for point of interest (affinity) or merchandising-driven (attribute-based) availability.


No caching – build the offer dynamically in real time!


Runs on commodity hardware with unlimited scalability and an airline self-hosting option.


Enables airlines to define business rules for availability management.

  • Supports OD and journey controls, as well as ‘slice-and-dice’ as required for some markets (e.g. US Domestic).
  • Supports flexible rules management including Availability Count based on robust weighting and ranking.

Opens the door to new opportunities by presenting optimal search results including dynamic, personalized availability search, with unlimited query capabilities.


Support for large date-range processing, e.g., calendar search.


Airline’s proprietary availability algorithm remains airline’s source code/IP.


Available stand-alone (includes FLX Schedule Builder) or as an integrated solution with other Farelogix Airline Commerce Gateway modules, including FLX Shop & Price and FLX Merchandise.

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