Do you need pilot interview prep for Delta? If your primary choice of airlines for your flying career is Delta Air Lines, you will want to select from the packages below for your Delta Air Lines Pilot Interview Prep. Simply click on the “Learn More” button to see all of the included services for each package. These are custom package offerings which are designed to ensure you the highest chance of success. The total Delta Air Lines Pilot interview prep package includes the Delta Air Lines Pilot Cognitive Test prep, the pilot technical test prep and the personality test prep. These can also be purchased individually if you prefer.