Delta Air Lines topped the list again as it was the only carrier that broke through an impressive percentage of more than 80%, landing at exactly 80.9%. Southwest Airlines dropped down from second place in February to fifth place in March with a rate of 73.9%, showing one of the largest decreases among all carriers during this period. Alaska Airlines, United Airlines, and American Airlines rounded out those who performed better than industry averages throughout March.

In terms of global rankings based on on-time performance rates, Delta (at eighth) and American (at tenth) made it into top ten lists respectively.
The number of flights canceled by North American airlines decreased nearly sixteen percent between February and March – going down from12,745 to10,722 cancellations overall.
Southwest had an impressively high completion factor rate at99.5% while Alaska followed closely behind with99.2%. Both United and America tied at99%, whereas Delta came in fifth place with a completion factor rate of98.4%.
For the purpose of this report, an aircraft is considered on time if it arrives at its gate within fifteen minutes from the scheduled arrival time.
Carriers’ February On-Time Performance Again Improves