Dave Davis, formerly chief financial officer and president of Sun Country Airlines, will become Spirit’s CEO next week, the airline announced Thursday (April 17).“We’re excited to welcome Dave as Spirit’s new president and CEO,” Robert Milton, chairman of Spirit Airlines, said in a news release.“He brings with him a wealth of experience and a solid track record of accomplishments from his many years in the airline industry. Dave’s background at both Northwest Airlines and, more recently, at Sun Country Airl ...