A paid upgrade to business class from premium economy was only available by calling Delta and this call needed to take place at least 24 hours before the flight.
Delta Premium Select Customers receive Delta’s Sky Priority service. This includes “accelerated” check-in, security and baggage services. It also means priority boarding.
The Premium Economy cabin on the A330-200/300 looks remarkably similar to the economy cabin on Delta, apart from the slightly wider leather seats.
Delta upgraded its premium economy offer in September of 2022 with more comfortable seats and improved amenity kits.
The moment the seatbelt sign went off, the staff began serving dinner, which was great. They were also very fast and efficient for breakfast in the morning.