Frontier Airlines is not selling tickets for flights beyond April 13. Why?

HARRISBURG, Pa. (WHTM) - Frontier Airlines, known for its budget options and animal-adorned plane tails, isn't selling tickets for flights beyond April 13. The question is: Why? "It is odd that there are no ticket sales beyond that point," said Brett Snyder, president of Cranky Flier LLC and an airline expert. David Forgues, who lives [...]