Kalamazoo (AZO) to Chicago (ORD): On-Time Performance
Data through July 2026
Delays are only half the story on AZO–ORD: 4.5% 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, 79% land on time, no worse than the national average of 78%.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 17 min
- completed flights
- Cancelled
- 4.5%
- Flights/day
- 2.6
- last 12 months
- Duration
- 1h 15m
- scheduled
- Distance
- 122 mi
Best airline from AZO to ORD
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 80% | 16 min | 4.0% | 963 |
| SkyWest Airlines | 76% | 24 min | 7.4% | 162 |
Monthly on-time trend
Best time to fly from AZO to ORD
Aim for departures around 6 a.m. (88% on-time); avoid 7 p.m. departures (59%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 76% | 17 min |
| Tuesday | 78% | 16 min |
| Wednesday | 81% | 14 min |
| Thursday | 80% | 19 min |
| Friday | 80% | 16 min |
| Saturdaybest | 82% | 17 min |
| Sunday | 79% | 20 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft43%
- Airline operations19%
- National airspace system32%
- Weather5%
Frequently asked questions
- How often are flights from AZO to ORD delayed?
- 21% of AZO–ORD flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 17 minutes.
- Which airline is most reliable from AZO to ORD?
- Envoy Air has the best on-time record on this route at 80%, based on 963 flights. 2 airlines flew AZO–ORD frequently enough to compare in this period.
- 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 21% of the time.
- How often are AZO to ORD flights cancelled?
- 4.5% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — 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 1,125 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.