Traveling through airports can often be a stressful experience, marked by long security lines and rigorous screening procedures. To alleviate some of this stress, the Transportation Security Administration (TSA) offers the TSA PreCheck program, which provides expedited security screening for pre-approved travelers. When flying with TSA PreCheck to American Airlines, incorporating your TSA PreCheck information into your travel profile and reservations can significantly streamline your airport experience. This comprehensive guide will walk you through the steps to add TSA PreCheck to your American Airlines profile and reservations, along with the benefits and tips for maximizing this service.