"What is the absolute lowest possible fare between Point A and Point B, across every airline, every date, and every routing imaginable?" Here is why ITA changed the game.
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. ita software matrix
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: "What is the absolute lowest possible fare between
The ITA Matrix uses algorithms. It can scan hundreds of billions of fare combinations in one second. The result is the famous "Calendar Grid"—a color-coded chart showing you the cheapest day to fly in the next 11 months at a single glance. The Secret Weapon: Advanced Routing Codes Where the Matrix truly shines (and scares beginners) is the Advanced Routing Code . The old systems were "session-based"—they looked at one
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.