JetBlue reports preliminary May traffic up 7.0% JetBlue Airways reported its preliminary traffic results for May. Traffic in May increased 7.0% from May 2013, on a capacity increase of 7.0%. Load factor for May was 85.2%, an increase of 0.1 points from May 2013. JetBlue's preliminary completion factor was 97.6% and its on-time performance was 77.3%. JetBlue's preliminary passenger revenue per available seat mile for the month of May increased 4% year over year. For the second quarter, PRASM is expected to increase between 6%-7% year over year.