It is a search engine for inventory , not a travel agency. When you find a great fare, you have to copy the exact flight numbers and fare codes and go to the airline’s website or a third-party agent (like Orbitz) to book it.
To the average traveler, "Matrix" might sound like a sci-fi movie. To a developer or a travel hacker, it is the Rosetta Stone of airline pricing. Let’s break down why this piece of late-90s software still dictates how you fly today. Long before Google dominated search, a Cambridge-based company called ITA Software built a product officially known as the QPX (Airline Pricing and Shopping) System .
April 14, 2026 Category: Air Travel Tech
Before the Matrix, if you wanted to know if it was cheaper to fly on a Tuesday vs. a Saturday, you had to run two separate searches. The old systems were "session-based"—they looked at one date at a time.
The "Matrix" (often referred to as ITA Matrix by power users) is the raw, unfiltered user interface for that system. Unlike Expedia or Travelocity, the Matrix doesn’t sell tickets. It doesn’t have ads. It doesn’t care about branding. Its only job is to answer one brutal question:
