Southwest Airlines reported a first-quarter profit of $227 million, or $0.45 per diluted share. A $149 million loss in the year-ago period gave way to a $227 million first-quarter profit, with earnings coming in at $0.45 per diluted share compared with a loss of $0.26 per share twelve months prior. Operating revenue rose 12.8% to $7.25 billion, a first-quarter record for the Dallas-based carrier.
