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:
10Allegiant Air

By Eddie Maloney from North Las Vegas, USA (ALLEGIANT AIR) [CC BY-SA 2.0], via Wikimedia Commons
73.55% OTP
Allegiant Air scored a 73.55% OTP, meaning that more than one in four of the airline’s flights was delayed.