Quote Originally Posted by ddagencylv View Post
Due to rising costs, the company will exit the Hawaii market in early September 2016 when it drops the last route to HNL. The last 757 will exit the fleet in early 2017.
Not so coincidentally,

Allegiant Air to discontinue service between US mainland, Hawaii | Las Vegas Review-Journal

"Speaking on background, an Allegiant executive said a decision was reached to retire the company's five twin-engine Boeing 757 jets when they accumulate enough hours to require a D check."

"Rather than bear the expense of the heavy maintenance, the company opted to retire the planes since there's virtually no aftermarket for the used 757s."