CNBC Marathon explores the business of airline amenities and how airlines are working to improve them. Over the past couple of years, airlines and credit card companies like American, United, Chase and Capital One are investing millions into expanding their airport lounge networks for customers. However, lounges have become so popular that some face overcrowding, and companies like Delta are making it harder to get airline status. Airlines have been spending big to add more space and comfort to seats on board planes. According to AeroDynamic advisory, airplane seats were a $2.6 billion dollar market globally in 2022, almost half of $6.2 aircraft interiors market. U.S. airlines like American, Delta and United have been adding more premium seats to their fleets. Delta estimates its premium revenue will be 35% of total revenue this year compared to 24% in 2014. Food service on domestic airlines has drastically changed in recent years. Nearly 3 million passengers fly every day in the U.S. Post pandemic, airlines have seen an increase in passengers buying up to premium seats - putting pressure on airlines to offer better food options and more of them. Airplane Wi-Fi has been around for decades but its reliability and speeds can vary widely depending on the airline, the route and the type and age of the aircraft. American Airlines, United and other U.S. airlines have been updating their fleets to provide better Wi-Fi. Delta has spent over $1 billion retrofitting its planes to bring free wifi to its customers. Chapters: 00:00 Introduction 00:46 Why It's Becoming Harder To Get Into Airport Lounges (Published October 2023) 11:10 Why Airplane Seats Are Getting Big And Fancier Again (Published August 2023) 24:24 How American Airlines Makes 15,000 Meals A Day (Published September 2023) 32:48 Why Wi-Fi On Airplanes Is So Bad (Published July 2023) » Subscribe to CNBC: https://cnb.cx/SubscribeCNBC » Subscribe to CNBC TV: https://cnb.cx/SubscribeCNBCtelevision About CNBC: From 'Wall Street' to 'Main Street' to award winning original documentaries and Reality TV series, CNBC has you covered. Experience special sneak peeks of your favorite shows, exclusive video and more. Want to land your dream job in 2024? Take CNBC’s new online course How to Ace Your Job Interview to learn what hiring managers are really looking for: https://cnb.cx/4871WwH Connect with CNBC News Online Get the latest news: https://www.cnbc.com/ Follow CNBC on LinkedIn: https://cnb.cx/LinkedInCNBC Follow CNBC News on Instagram: https://cnb.cx/InstagramCNBC Follow CNBC News on Facebook: https://cnb.cx/LikeCNBC Follow CNBC on Threads: https://cnb.cx/threads Follow CNBC News on X: https://cnb.cx/FollowCNBC #CNBC Why Airline Perks Are So Disappointing | CNBC Marathon