On Sept. 22 I received an email Frequent Flyer Statement. In the box to indicate miles about to expire Spirit reported none were about to expire. As of Oct. 1 more than 20, 000 miles disappeared. I have called and written and only receive a canned response about the fine print on how miles expire - but no one is answering why there is a place on the statement to report miles about to expire or why it said none when eight days later enough miles for a free ticket vanished. This is from that email statement: Your Activity Detail... read full review »