NEW YORK—(BUSINESS WIRE)—JetBlue Airways Corporation (NASDAQ:JBLU) reported its preliminary traffic results for May 2016. Traffic in May increased 10.7 percent from May 2015, on a capacity increase of 12.1 percent.

Load factor for May 2016 was 84.6 percent, a decrease of 1.1 points from May 2015. JetBlue’s preliminary completion factor was 99.6 percent and its on-time (1) performance was 80.7 percent. JetBlue’s preliminary revenue per available seat mile (RASM) for the month of May decreased approximately seven percent year over year. For the second quarter of 2016, RASM is expected to decrease between seven and a half and eight and a half percent year over year, toward the lower end of prior expectations.

As we continue to assess the fuel and revenue environments, JetBlue is lowering its full year capacity guidance and now expects year over year available seat mile growth in 2016 to be between 8.0 and 9.5 percent, down from prior guidance of 8.5 to 10.5 percent.