American Airlines is expanding its winter network with new routes to Sun Valley, Santa Maria, and seasonal services to Santa Fe, Missoula, and Fort Myers. Starting in October and December 2025, these flights cater to winter leisure travelers seeking ski resorts, cultural cities, and warm getaways. Additionally, a new route from Charlotte to Aspen enhances access to top-tier ski destinations. Tickets go on sale June 30 for the upcoming winter season.