FlightRecord

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

Data through May 2026

Delays are only half the story on ORD–AZO: 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, 75% land on time, below the national average of 78%.

On-time
75%
arrived <15 min late
Avg delay
17 min
completed flights
Cancelled
4.0%
Flights/day
2.7
last 12 months
Duration
1h 1m
scheduled
Distance
122 mi

Monthly on-time trend

Monthly on-time percentage for ORD to AZO flights50%75%100%June 2025: 65% on-time (74 flights)65Jun 2025July 2025: 61% on-time (88 flights)61August 2025: 80% on-time (85 flights)80September 2025: 87% on-time (86 flights)87Sep 2025October 2025: 79% on-time (91 flights)79November 2025: 87% on-time (87 flights)87December 2025: 69% on-time (89 flights)69Dec 2025January 2026: 66% on-time (66 flights)66February 2026: 75% on-time (73 flights)75March 2026: 74% on-time (93 flights)74Mar 2026April 2026: 74% on-time (90 flights)74May 2026: 77% on-time (79 flights)77

Best time to fly from ORD to AZO

Aim for departures around 8 a.m. (89% on-time); avoid 5 p.m. departures (44%).

On-time percentage by scheduled departure hour, ORD to AZO8 a.m.: 89% on-time (194 flights)89 a.m.: 81% on-time (104 flights)91 p.m.: 75% on-time (89 flights)132 p.m.: 64% on-time (46 flights)143 p.m.: 81% on-time (97 flights)154 p.m.: 71% on-time (84 flights)165 p.m.: 44% on-time (34 flights)178 p.m.: 70% on-time (52 flights)209 p.m.: 70% on-time (64 flights)2110 p.m.: 66% on-time (211 flights)22scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday72%14 min
Tuesdaybest81%16 min
Wednesday70%19 min
Thursday74%18 min
Friday76%14 min
Saturday81%14 min
Sunday68%25 min

What causes delays on this route

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

  • Late-arriving aircraft46%
  • Airline operations19%
  • National airspace system18%
  • Weather17%

Frequently asked questions

How often are flights from ORD to AZO delayed?
25% of ORD–AZO 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 17 minutes.
What is the best time of day to fly from ORD to AZO?
Departures around 8 a.m. have the best record (89% on-time), while departures around 5 p.m. have the worst (44%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from ORD to AZO?
The scheduled ORD–AZO flight time averages 1h 1m over 122 miles. Actual arrival times vary — flights on this route land 15+ minutes late 25% of the time.
How often are ORD to AZO 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 ORD to AZO?
July 2025 was the roughest month in this dataset, with only 61% of arrivals on time. The best was September 2025 at 87%. If your dates are flexible, that 26-point gap is worth planning around.

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Based on 1,001 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.