- Benefits of a Delta Airlines Preferred Seat include priority boarding, more legroom, and a prominent position inside the aircraft. Passengers can enjoy more comfort in these seats without having to pay to upgrade to first or business class. For passengers who prefer a less crowded seating arrangement or who wish to disembark rapidly, preferred seats are perfect. These seats are reasonably priced by Delta, which makes them an excellent option for people who appreciate ease and comfort. Enhance your next travel with Delta Airlines by upgrading to a preferred seat.