Kalamazoo (AZO) to Detroit (DTW): On-Time Performance
Data through May 2026
When you fly AZO to DTW matters as much as anything else about the booking: the route swung from 97% on-time in April 2025 to just 56% in January 2026. Across the full period the route averages 78% on-time against a national 78%. Morning departures also hold up better than evening ones (85% vs 71%), which matters most in the rough months.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 25 min
- completed flights
- Cancelled
- 1.5%
- Flights/day
- 2.7
- last 12 months
- Duration
- 1h 0m
- scheduled
- Distance
- 113 mi
Monthly on-time trend
Best time to fly from AZO to DTW
Aim for departures around 6 a.m. (88% on-time); avoid 5 p.m. departures (66%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 28 min |
| Tuesday | 81% | 21 min |
| Wednesday | 81% | 21 min |
| Thursday | 77% | 24 min |
| Friday | 75% | 32 min |
| Saturday | 81% | 22 min |
| Sundaybest | 82% | 26 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Airline operations76%
- National airspace system5%
- Weather19%
Frequently asked questions
- How often are flights from AZO to DTW delayed?
- 22% of AZO–DTW 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 25 minutes.
- What is the best time of day to fly from AZO to DTW?
- Departures around 6 a.m. have the best record (88% on-time), while departures around 5 p.m. have the worst (66%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from AZO to DTW?
- The scheduled AZO–DTW flight time averages 1h 0m over 113 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are AZO to DTW flights cancelled?
- 1.5% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from AZO to DTW?
- January 2026 was the roughest month in this dataset, with only 56% of arrivals on time. The best was April 2025 at 97%. If your dates are flexible, that 41-point gap is worth planning around.
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Based on 1,975 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.