CNBC·2026-01-02 12:30Industry Overview - The airline industry is experiencing a K-shaped economic recovery, where wealthier travelers are increasingly spending more, while budget airlines struggle to maintain profitability [3][6] - Major airlines like Delta and United are capturing nearly all U.S. airline profits, indicating a growing divide within the industry [5] Airline Strategies - Airlines are focusing on monetizing premium services and minimizing losses from budget travelers, with Delta and United leading this trend [3] - JetBlue is shifting its focus to more profitable routes and plans to introduce a domestic business class in mid-2026 [7] - Southwest Airlines is undergoing significant changes, including the introduction of assigned seating and extra legroom seats, which have already proven profitable for competitors [14][15] Financial Performance - Southwest Airlines' stock rose nearly 23% in 2025, outperforming the NYSE Arca Airline Index's 5% increase, driven by investor confidence in its transformation [16] - American Airlines is expanding its lounges and fleet to compete in the luxury travel market, while also implementing changes to its frequent flyer policies [18][19] Challenges and Outlook - The airline industry faces ongoing challenges such as a shortage of air traffic controllers and aging infrastructure, which will take years to improve despite federal spending [4] - Analysts predict that Spirit Airlines may not survive as a standalone company, with potential merger outcomes likely [10][11][13]