After rebounding in April, the May on-time performance for North American carriers again reversed course, dropping 5.3 percentage points month over month to 74.4 percent, according to the latest report from aviation analytics company Cirium.
Each of the 10 carriers in the report posted a decline from April, and none of the North American carriers placed among Cirium’s global top 10 airlines for on-time performance.
Delta Air Lines remained in first place in North America with a May on-time performance of 81 percent, followed by Alaska Airlines at 79 percent and WestJet at 77.6 percent. It’s the second month in a row that WestJet, which typically comes in the bottom half of measured carriers, landed among the top three performers.
The…