In order to make your travel experience even more comfortable, Delta Air Lines passengers may seamlessly combine How To Add TSA Precheck To Delta PreCheck with the Delta app. In this article, we'll walk you through the process of adding the TSA PreCheck feature to the Delta app. In order to improve the travel experience, let's first take a closer look at TSA Precheck to understand what it is and why it must be included. This step-by-step manual will help you through the process of adding TSA PreCheck to your Delta travel experience if you often fly with Delta Air Lines and would want to benefit from its ease. You'll save time, avoid lineups, and have no trouble getting past security checks if you adhere to these recommendations.