This is the fifth edition of T2RL's report on the market for airline loyalty systems. This report is published in February 2025, using current contract data, passenger volume projections, and loyalty member information from 2024 to assess the market.

The report assesses the main providers in the market for airline loyalty, highlighting major changes and investments. Market share information is based on annual projected 2024 passenger and loyalty member data and takes into account current migrations and implementations as at 21st February 2025. T2RL tracks market share for loyalty systems providers in three ways; by number of airlines served, by the passenger volumes carried by those airlines and by the number of members enrolled in the programmes. Each method is valid and the relative performance measured by volume and by membership track each other fairly closely. However there are exceptions, especially where an airline has developed extensive third party participation in its programme and the tables at the end of this report reveal where those exceptions lie.