The top three airlines with the best on-time performance were Delta Air Lines, Alaska Airlines and American Airlines. All three improved their scores compared to last month. United remained fourth but experienced a slight drop in its score from 78.1 percent to 78 percent. WestJet made significant progress by gaining nearly ten percentage points and achieving an impressive score of 74.4 percent, placing above the monthly average and jumping five spots to fifth place.

Air Canada also demonstrated notable improvement by moving out of last place after holding that position for eleven consecutive months; it achieved a score of 66.8 percent this month compared to last month’s score of just over sixty-percent (60.3%). In July of last year, Air Canada had a low-performance rate as low as thirty-four point eight-percent (34.%).
Deltas’ and Americans’ performances earned them both positions among the top global performers at sixth and tenth respectively.
In contrast with March figures where there were fewer cancellations than April which saw almost fifteen per cent increase resulting in twelve thousand three hundred eleven flights being cancelled during this period alone.
WestJet had the highest completion factor at 99.3 percent, followed by Alaska at 99.2 percent and American at 98.6 percent.
To be considered on time, an aircraft must arrive within fifteen minutes of its scheduled arrival time.
Airline On-Time Performance in North America Improves from Last Month – Cirium Report
The latest monthly report released by Cirium shows that airline on-time performance has improved for North American carriers compared to last month’s figures. The average score for April was recorded as being seventy-three point two-percent (73.2%), up from seventy-one point four-percent (71.4%) in March.
Deltas’, Alaskas’, and Americans’ Scores Improve; United Drops Slightly but Remains Fourth Place
In terms of individual airlines, Delta Air Lines, Alaska Airlines and American Airlines maintained their positions among the top three performers with each showing improvement over last month’s scores while United dropped slightly to a score of seventy-eight per cent (78%). WestJet made significant progress this month gaining almost ten percentage points resulting in a high-performance rate of seventy-four-point four-per-cent (74.%), placing them above the monthly average and jumping five spots to fifth place overall.

Air Canada Shows Notable Improvement, Moving Out of Last Place After Eleven Consecutive Months
After holding last place for eleven consecutive months, Air Canada demonstrated notable improvement by achieving a score of sixty-six point eight-percent (66.8%) this month compared to just over sixty percent (60.3%) in March. In July 2022, the airline’s performance rate was as low as thirty-four-point-eight per cent (34.%).
Deltas’ and Americans’ Performances Earn Them Positions Among Top Global Performers
In addition to their high-performance rates among North American carriers, Delta Airlines and American Airlines also earned positions on the top global performers list at sixth and tenth respectively.
Cancellations Increase Nearly Fifteen Percent from March Figures; WestJet Has Highest Completion Factor Rate
The report showed that there were more cancellations in April than in March with an increase of almost fifteen per cent resulting in twelve thousand three hundred eleven flights being cancelled during this period alone. Despite these figures, WestJet had the highest completion factor rate at ninety-nine point three-per-cent(99.3%), followed closely by Alaska Airlines at ninety-nine point two-per-cent(99.2%) and American Airlines at ninety-eight point six-per-cent(98.6%).
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