- I had a hassle-free experience at the Delta Airlines MIA Terminal on my last visit. The check-in process was seamless, and the crew was courteous and polite. Security lines were swift, and overall experience was tension-free. The terminal itself was neat and tidy, with enough seating space and charging points. The dining facilities were good, providing a good combination of fast bites and eat-ins. Boarding was properly managed, and the gates were convenient to maneuver. Overall, the Delta Airlines offered a smooth and comfortable traveling experience.