AirTran Airways in March for a fifth consecutive month was the most punctual major U.S. carrier,

landing more than 90 percent of its flights on time, according to FlightStats. The carrier was followed by US Airways (87 percent), Delta Air Lines and Alaska Airlines (both near 85 percent). On average, North American airlines last month landed nearly 77 percent of flights on time. Air Canada, Southwest Airlines and United Airlines performed below average, while American Airlines and JetBlue Airways performed above average.