Kalamazoo/Battle Creek International (AZO) Delays and On-Time Departures
Kalamazoo, MI · ranked 176th of 333 airports for on-time departures
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, Kalamazoo (AZO) had 1,991 scheduled departures and 80.3% of them left on time (US average 77.4%).
That ranks 176th of 333 US airports tracked on this site, with 3.4% of departures cancelled.
Envoy Air was the most punctual airline here, with 83.6% of departures on time.
September has been the best month (90% on time) and Monday the weakest day of the week (78%).
Best time of day to fly out of Kalamazoo (AZO)
On-time departure % by scheduled departure hour (local time), last 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 86.7% | 2.5% | 515 |
| 6am–7am | 91.5% | 1.8% | 506 |
| 7am–8am | 91.5% | 1.7% | 119 |
| 8am–9am | Limited data | 6 | |
| 9am–10am | Limited data | 2 | |
| 10am–11am | 89.7% | 3.5% | 201 |
| 11am–12pm | 82.0% | 2.3% | 216 |
| 12pm–1pm | 75.5% | 1.5% | 464 |
| 1pm–2pm | 69.2% | 4.4% | 68 |
| 2pm–3pm | 77.3% | 0.0% | 66 |
| 3pm–4pm | 75.0% | 6.1% | 132 |
| 4pm–5pm | 74.7% | 8.1% | 86 |
| 5pm–6pm | 72.5% | 2.3% | 174 |
| 6pm–7pm | 72.7% | 2.2% | 498 |
| 7pm–8pm | 68.7% | 9.2% | 109 |
Airlines at AZO ranked by on-time departures
Last 12 months. Airlines with fewer than 30 departures are marked “limited data”.
| Airline | On-time departures | On-time arrivals | Cancelled | Departures |
|---|---|---|---|---|
| Envoy Air | 83.6% | 80.2% | 4.1% | 802 |
| SkyWest Airlines | 78.1% | 77.1% | 2.9% | 1,189 |
80%+ good 70–79.9% fair <70% poor
Best day to fly out of AZO
On-time departures by day, 24 months.
Best month to fly out of AZO
On-time departures by month, 24 months.
Holiday travel at Kalamazoo (AZO)
On-time departures during holiday periods compared with all other days, last 24 months.
| Period | On-time departures | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 75.0% | -6.2 pts | 15.8% | 57 |
| Christmas & New Year (Dec 20 - Jan 3) | 83.5% | +2.3 pts | 4.0% | 101 |
| Summer peak (Jun 15 - Aug 15) | 80.1% | -1.1 pts | 3.4% | 671 |
| All other days | 81.2% | — | 2.1% | 2,333 |
Monthly on-time departure trend at AZO
On-time departure % each month, with the 12-month US average for reference.
Routes from Kalamazoo (AZO)
Every route from AZO with its own page, by number of flights (last 12 months, on-time arrivals).
| To | On time | Cancelled | Flights |
|---|---|---|---|
| AZO → Detroit (DTW) | 77.3% | 2.2% | 1,027 |
| AZO → Chicago (ORD) | 79.5% | 4.7% | 964 |