Dynamic Availability Calculating System (DACS®)


DACS® is a sophisticated availability solution from ITA that stores, calculates, and distributes flight schedule data and seat availability. DACS satisfies millions of availability queries per second.

"DACS offers correct O&D availability solutions without the burden associated with supporting huge volumes of seamless traffic. With DACS, we've completely eliminated expensive server processing hits that were otherwise required to calculate answers to seamless queries."



Greg Lough, Managing Dir. Revenue Management, Continental Airlines


Experience Advanced Availability that Dramatically Reduces Costs

Stop paying for seamless availability queries - start using DACS

  • Ensures accurate itinerary solutions are offered across ITA Software's vast QPX Pricing & Shopping customer base of leading travel distributors and partner airlines
  • Offers flexible deployment options
    • A customized solution is designed by ITA given the airline's preference and their data feeds from airline revenue management and inventory management systems
    • DACS supports AVS, NAVS, seamless polling, and dynamic availability calculations
    • Integrates easily with airlines' revenue management and Origin & Destination (O&D) systems
    • Calculates seat availability without burdening the inventory control system
  • Answers any volume of availability requests quickly, accurately, and cost-effectively
  • Supports O&D availability, journey control, point-of-sale, and custom business logic
  • Supports unlimited POS controls
  • Scales without limit to support well beyond one million queries per second



> Contact our Business Development team to learn more 



DACS® Brochure

ITA Availability

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