Need extra luggage for your upcoming trip? The American Airlines Add Baggage option lets you purchase checked bags quickly and conveniently before your flight. You can add baggage through the airline's website, mobile app, online check-in, or at the airport. Purchasing baggage in advance can help make the check-in process smoother and reduce last-minute stress. Before you travel, check your baggage allowance along with the airline's size and weight limits to avoid additional charges. Whether you're packing for a short getaway or a long vacation, planning ahead ensur