MIRAMAR, Fla., April 17, 2018 (GLOBE NEWSWIRE) — Spirit Airlines, Inc. (NYSE:SAVE) will hold a conference call to discuss first quarter 2018 results on April 26, 2018 at 9:30 a.m. ET. A live, listen-only webcast of the conference call will be available at http://ir.spirit.com.  Any changes to the Company’s scheduled presentation time will be posted on its website under the Investor Relations section at http://ir.spirit.com