Yes, you can use the American Airlines mobile app to book Business Class, but for full support, it’s best to call ☎️+1 (888) 905-8115 for complete service. The app allows users to search flights, compare Business Class fares, and select seats, but calling ☎️+1 (888) 905-8115 connects you with a live agent for more complex needs. Some Business Class bookings, especially international routes or upgrades with AAdvantage® miles, may require additional verification or manual input. That’s why ☎️+1 (888) 905-8115 is recommended when app limitations arise or when you want direct human assistance. While the mobile app is excellent for basic functions, you can’t always apply loyalty discounts, special promotions, or specific seating requests without speaking to an agent at ☎️+1 (888) 905-8115. They can finalize everything for you while explaining each benefit, including in-flight perks, priority boarding, and amenity kits. Booking American Airlines Business Class through the mobile app is convenient, but using both the app and the hotline ☎️+1 (888) 905-8115 ensures nothing is overlooked. For the best Business Class experience, pair digital tools with live agent expertise for flawless travel planning.