I had a hassle-free experience at the Frontier Airlines FRA Terminal. Check-in was fast and straightforward, with friendly and efficient staff. Security was organized and I didn’t have to wait long to pass through. The terminal itself was clean, roomy, and there were ample seating areas, which made waiting for my flight much easier. There were some reasonable food and drink facilities as well. Boarding was hassle-free and punctual. Overall, the Frontier Airlines ensured my trip was stress-free and pleasant.