US airlines chase profits in premium cabins, deepening a fare class divide on flights

US airlines are prioritizing premium cabins to attract high-spending travelers, creating a growing divide between premium and economy passengers. Delta, American, and United are reconfiguring aircraft, expanding first-class and business-class seats, and investing in amenities to enhance top-tier experiences. Delta CEO Ed Bastian and United CEO Scott Kirby highlight strategies focused on premium services, though Kirby emphasizes broader customer experience improvements.