source:[1] GLOBAL AIR TRANSPORT INDUSTRY TO CROSS 5 BILLION PASSENGER MILESTONE IN 2026 - tourism-review.com (https://www.tourism-review.com/air-transport- ...)[2] IAG Stock Update (International Consolidated Airlines Group SA): This Week’s Drivers, Latest News, Analyst Forecasts and the Week Ahead (Updated 14 Dec 2025) - ts2.tech (https://ts2.tech/en/iag-stock-update-internat ...)[3] The 5 worst US airlines and airports for holiday flight delays - USA Today (https://www.usatoday.com/story/travel/airline ...)