Guides
Practical, plain-English guides to reading airline reservation data — the codes, displays and conventions behind the tickets FlyTix formats.
Amadeus vs Galileo: GDS Comparison
Amadeus and Galileo power most travel agency bookings worldwide but differ in history, regional strength, and display conventions. Here is what you need to know about each.
6 min readGDS Status & Action Codes Glossary
HK, TK, UN, KK — GDS segment codes tell you whether a booking is confirmed, changed, or impossible. This glossary explains every common code and what to do about it.
6 min readHow Airline Ticket Numbers Work
Every e-ticket carries a 13-digit number with a built-in airline prefix, a serial number, and a check digit. Here is what each part means and how to read it.
5 min readHow to Read a Galileo / Travelport Entry
Galileo uses 12-hour AM/PM times and day-offset markers that look nothing like Amadeus. This guide walks through a real segment display field by field.
5 min readHow to Read an Amadeus PNR
Decode an Amadeus PNR field by field — header, names, segments, booking classes and status codes — with a real worked example.
4 min readUnderstanding Fare Basis Codes
A fare basis code is not the same as a booking class. Learn to decode each character — season, advance purchase, routing, stay requirements — and why it matters.
5 min read