Reading Time: 2 minutes Florida-based ultra low-cost carrier (ULCC) Spirit Airlines reported a first-quarter net profit of $61.9 million, down 10.1% from net income of $69 million in the 2015 March quarter, as the airline continues to make adjustments under a new CEO. Spirit’s first-quarter operating revenue rose 9.1% year-over-year to $538.1 million while expenses increased 13.7% to $436.8 […]