Spirit Airlines Inc.'s pilot problems seem to have ended. The Miramar-based airline (Nasdaq: SAVE) said its abnormal wave of flight cancellations has come to a halt, with fewer than 1 percent of its flights cancelled since Mother's Day and no cancellations since the start of the week. Earlier in the month, the airline was reporting as many as 50-60 flights cancelled a day across its system, stranding thousands of passengers. “The wave of cancelled Spirit flights is behind... [read more]