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Route Reliability

AZO → Chicago

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

72
Usually Fine
WanderNerd Reliability Score
80%
Arrive within 15 minutes
3 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 80% of the time across 1,013 flights. No comparison to make.

What the data says

Morning flights do better here.

AZO–ORD flights departing between 3–6 AM arrived on time 88% of the time, versus 58% between 6–9 PM.

Monday is the weak spot.

AZO–ORD flights arrived on time 85% of the time on Saturdays. On Mondays: 76%.

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.

AZO–ORD flights arrived on time 79% of the time over the last three months in the data, compared with 73% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon76%(141 flights)
  • Tue80%(141 flights)
  • Wed79%(136 flights)
  • Thu80%(140 flights)
  • Fri80%(140 flights)
  • Sat85%(132 flights)
  • Sun81%(142 flights)
On-time by departure window
  • 3–6 AM88%(49 flights)
  • 6–9 AM87%(302 flights)
  • 9 AM–12 PM87%(203 flights)
  • 12–3 PM76%(93 flights)
  • 3–6 PM75%(219 flights)
  • 6–9 PM58%(106 flights)
On-time trend by month
83%
May

Jun 76% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%84
July 202580%84
August 202588%83
September 202591%85
October 202581%91
November 202588%75
December 202568%83
January 202670%64
February 202681%73
March 202676%88
April 202679%84
May 202683%78

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.