I love it! Even though NW was having a special that was $80 less than what we had paid with Spirit, we decided to stay with Spirit and decided to leave a day earlier so we could have a night to settle in. So I went in and changed it and the departure flights had gone down in price so we ended up with a credit of $84 !!WooHoo!! Not only do we get to leave a day earlier, but the hotel for the xtra night is taken care of so it's not costing us anything extra!!! Just wanted to share!!