The airline industry is increasingly relying on non-ticket revenue streams, such as in-flight services, seat upgrades, and ancillary offerings, to boost profitability. In 2024, global ancillary revenue reached $120 billion, accounting for 15% of total airline revenue (IATA, 2025). Personalization has emerged as a key driver in enhancing these revenue streams by tailoring services to individual passenger preferences. This article explores how personalization can unlock new growth opportunities for airline revenue managers. “In the quest for personalization, airlines must not only unbundle services and products from the ticket price but…