WestJet’s second-quarter net income increased 18.9 percent year over year to C$61.6 million,

the carrier reported Tuesday. Passenger revenue increased 2.2 percent to C$828.9 million. Capacity increased 7.5 percent, and traffic increased 5.5 percent. WestJet’s load factor declined 1.5 percentage points to 78.1 percent. Revenue per available seat mile declined 5.7 percent, and cost per available seat mile dipped 8.1 percent, owing largely to lower fuel costs. Yield declined 4 percent year over year.