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Route Reliability

Chicago → AZO

ORD–AZO · 122 miles · Chicago O'Hare International Airport to AZO Airport

67
Usually Fine
WanderNerd Reliability Score
76%
Arrive within 15 minutes
10 min
Average arrival delay
3.9%
Cancelled
1,013
Flights in the data

Data through May 2026.

American Airlines is the only airline in this data on this route, arriving on time 76% of the time across 1,013 flights. No comparison to make.

What the data says

Morning flights do better here.

ORD–AZO flights departing between 6–9 AM arrived on time 90% of the time, versus 68% between 9 PM–12 AM.

Sunday scaries are real for this one.

ORD–AZO flights arrived on time 82% of the time on Saturdays. On Sundays: 70%.

Keep a backup plan handy.

This route was cancelled 3.9% of the time. Typical for U.S. flights is around 1–2%.

Ticking up lately.

ORD–AZO flights arrived on time 76% of the time over the last three months in the data, compared with 71% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon73%(142 flights)
  • Tue81%(140 flights)
  • Wed74%(136 flights)
  • Thu76%(139 flights)
  • Fri78%(142 flights)
  • Sat82%(131 flights)
  • Sun70%(140 flights)
On-time by departure window
  • 6–9 AM90%(186 flights)
  • 9 AM–12 PM83%(103 flights)
  • 12–3 PM73%(127 flights)
  • 3–6 PM72%(209 flights)
  • 6–9 PM76%(76 flights)
  • 9 PM–12 AM68%(269 flights)
On-time trend by month
78%
May

Jun 68% → May 78% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%84
July 202564%84
August 202581%83
September 202588%85
October 202583%90
November 202587%75
December 202570%83
January 202667%63
February 202675%73
March 202676%87
April 202674%86
May 202678%77

Keep nerding

Based on 1,013 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.