North America’s Most Punctual Airlines
Each year, the OAG Punctuality League publishes a report of the airlines and airports that were on time the most often. They give each an OTP score (On-Time Performance), producing a list of the most punctual airlines. Here’s their list of the Top 10 highest OTP scores for North American Airlines in 2017:
9Westjet

By BriYYZ from Toronto, Canada (Westjet Boeing 737-700 (W)) [CC BY-SA 2.0], via Wikimedia Commons
76.18% OTP
Westjet ranked ninth with a 76.18% OTP. Westjet also ranked 15th worldwide among Low-Cost Carriers.