I paid for 4 premium seats - 4+ hour flight, expecting to get an open middle seat. I paid $237 for the premium as an upgrade for my family of four. Instead of having an open middle seat as the premium seat includes, they moved us as we boarded the flight, and put one of us in the middle seat that they claimed would not be occupied. The flight was not full.. they just upgraded someone else into one of our seats. It's not the end of the world, but when you pay that kind of money for an upgrade, you expect to get what you pay for. I called to complain afterwards, and they offered a $50 credit for a future flight. No thanks.