WestJet has announced May 2015 traffic results with a load factor of 77.2%. Revenue passenger miles (RPMs), or traffic, increased 6.6% year-over-year, and capacity, measured in available seat miles (ASMs), grew 9.1% over the same period. The airline flew a record 1.6 million guests in May, a year-over-year increase of 3.9% or more than 63,000 additional guests, and achieved an on-time performance rate of 93.2%, a year-over-year improvement of 8.3 percentage points.
"We are pleased with our strong year over year traffic growth as we flew a record 1.6 million guests for the month of May while continuing to improve our on-time performance," said WestJet President and CEO Gregg Saretsky. "I want to thank our more than 10,000 WestJetters for continuing to deliver our brand of friendly caring service each and every day.