TWIN FALLS, Idaho (KLIX)- People flying in and out of Twin Falls will be able to choose from three flights permanently from now on. Twin Falls City Spokesperson Josh Palmer says Sky West, a part of Delta, has decided to make the third flight a permanent one. During the winter the third flight was used as an experiment to see if it could be made into a round the year flight.Turns out it did and will remain as permanent choice for travelers. The airport will make a more formal announcement later.