Low-cost airline EasyJet said on Thursday that it carried nearly 6.5m passengers last month, up 7.2% from 6.05m in May 2014.The load factor, which is a gauge of how many seats were actually occupied by passengers on flights, rose 2.2 percentage points to 91.6% from May 2014.Rival Ryanair said on Tuesday that traffic grew 16% to 9.5m passengers.