FlightRecord

Kalamazoo (AZO) to Chicago (ORD): On-Time Performance

Data through May 2026

Delays are only half the story on AZO–ORD: 4% of its scheduled flights were outright cancelled, well above the US norm, so a backup plan matters more here than on most routes. When flights do go, 80% land on time, no worse than the national average of 78%.

On-time
80%
arrived <15 min late
Avg delay
16 min
completed flights
Cancelled
4.0%
Flights/day
2.7
last 12 months
Duration
1h 15m
scheduled
Distance
122 mi

Monthly on-time trend

Monthly on-time percentage for AZO to ORD flights50%75%100%June 2025: 76% on-time (73 flights)76Jun 2025July 2025: 80% on-time (88 flights)80August 2025: 88% on-time (85 flights)88September 2025: 91% on-time (86 flights)91Sep 2025October 2025: 80% on-time (91 flights)80November 2025: 87% on-time (87 flights)87December 2025: 68% on-time (89 flights)68Dec 2025January 2026: 70% on-time (66 flights)70February 2026: 80% on-time (73 flights)80March 2026: 75% on-time (93 flights)75Mar 2026April 2026: 78% on-time (90 flights)78May 2026: 83% on-time (79 flights)83

Best time to fly from AZO to ORD

Aim for departures around 6 a.m. (88% on-time); avoid 7 p.m. departures (59%).

On-time percentage by scheduled departure hour, AZO to ORD5 a.m.: 88% on-time (51 flights)56 a.m.: 88% on-time (179 flights)67 a.m.: 83% on-time (119 flights)710 a.m.: 88% on-time (193 flights)1012 p.m.: 75% on-time (93 flights)123 p.m.: 83% on-time (23 flights)154 p.m.: 73% on-time (86 flights)165 p.m.: 74% on-time (121 flights)177 p.m.: 59% on-time (106 flights)19scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday75%16 min
Tuesday80%16 min
Wednesday80%15 min
Thursday79%20 min
Friday79%16 min
Saturdaybest84%12 min
Sunday81%18 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft45%
  • Airline operations14%
  • National airspace system36%
  • Weather5%

Frequently asked questions

How often are flights from AZO to ORD delayed?
20% of AZO–ORD flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 16 minutes.
What is the best time of day to fly from AZO to ORD?
Departures around 6 a.m. have the best record (88% on-time), while departures around 7 p.m. have the worst (59%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from AZO to ORD?
The scheduled AZO–ORD flight time averages 1h 15m over 122 miles. Actual arrival times vary — flights on this route land 15+ minutes late 20% of the time.
How often are AZO to ORD flights cancelled?
4% of scheduled flights on this route were cancelled between 2024-06 and 2026-05 — several times the typical US rate, so consider earlier departures or backup options.
What is the worst month to fly from AZO to ORD?
December 2025 was the roughest month in this dataset, with only 68% of arrivals on time. The best was September 2025 at 91%. If your dates are flexible, that 23-point gap is worth planning around.

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Based on 1,000 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.