Top-performing LCCs gain 13.1% on a per passenger basis, but traditional airlines drop 4.3% in the 2024 CarTrawler Yearbook of Ancillary Revenue. The 2024 edition of the CarTrawler Yearbook of Ancillary Revenue by IdeaWorksCompany, released today, describes ancillary revenue activities and results for 68 airlines in 2023, revealing divergences in trends and providing an assessment of the industry as a whole. While total ancillary revenue for the top 10 airlines surpassed pre-pandemic levels by over 41%, the report highlights the changing fortunes among air carriers.