JetBlue Airways Corp. reported a near two percentage point drop drop in August load factor, as growth in supply of seats outpaced the increase in demand. The air carrier said load factor was 86.9% last month, down from 88.7% a year ago. Capacity rose 6.1% to 5.64 billion available seat miles, while traffic increased 3.9% to 4.91 billion revenue passenger miles. Year to date, load factor has declined to 85.2% from 86.3%. The company affirmed its third-quarter guidance for revenue per available set mile (RASM) of -2.0% and flat. The stock, which was still inactive in premarket trading, has lost 10.0% over the past three months while the NYSE Arca Airline Index has slipped 2.1% and the S&P 500 has gained 4.2%.