Best time to fly out of Kalamazoo/Battle Creek (AZO)
The early-flight folk wisdom holds up at Kalamazoo/Battle Creek: departures in the 6–8am band left on time 91.4% of the time, against 74.6% in the 6–8pm band. These are historical odds, not forecasts. The records say what happened on this schedule over three years; they know nothing about tomorrow’s thunderstorm.
Data through June 2026 · Bureau of Transportation Statistics
On-time rate by hour and day
On this page, “on time” means a departure that pushed back less than 15 minutes behind its scheduled time — the Bureau of Transportation Statistics definition, and the one airlines are held to.
| Departure time | Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|---|
| Before 6am | – | – | – | – | – | – | – |
| 6–8am | 89 | 90 | 94 | 93 | 90 | 91 | 94 |
| 8–10am | – | – | – | – | – | – | – |
| 10am–12pm | – | – | – | – | – | – | – |
| 12–2pm | 74 | 79 | 82 | 72 | 71 | – | – |
| 2–4pm | – | – | – | – | – | – | – |
| 4–6pm | – | – | – | – | – | – | – |
| 6–8pm | 67 | 77 | 76 | 74 | 77 | – | 77 |
| 8–10pm | – | – | – | – | – | – | – |
| 10pm–12am | – | – | – | – | – | – | – |
The steadiest stretch at AZO was 6–8am — 91.4% of departures left on time across 1,002 flights. The weakest was 6–8pm at 74.6%. 6–8am departures from AZO left on time 91.4% of the time across 1,002 flights; 6–8pm departures, 74.6% across 692. That is a gap of 16.8 points, and it is the whole case for the early flight.
The year at AZO
January was the hard month at AZO: 71.6% of departures left on time, across 307 flights. April was the easy one at 89.2%. Each month pools three years of that month, so a single bad week does not decide it.
| Month | Share departures that left on time | Flights |
|---|---|---|
| January | 71.6% | 307 |
| February | 80.4% | 299 |
| March | 78.6% | 356 |
| April | 89.2% | 331 |
| May | 86.1% | 341 |
| June | 81.7% | 417 |
| July | 81.1% | 323 |
| August | 81.5% | 317 |
| September | 89% | 329 |
| October | 87.3% | 355 |
| November | 84.9% | 336 |
| December | 78.9% | 308 |
Airlines at AZO
Every airline with at least 100 departures from AZO, busiest first. These are that airline’s departures from this airport only — its record across the country sits on its own page.
| Airline | Left on time | Typical delay | Cancelled | Departures |
|---|---|---|---|---|
| SkyWest Airlines | 82.1% | 115 min | 1.5% | 2,878 |
| Envoy Air | 83.2% | 78 min | 4% | 963 |
| Endeavor Air | 88.2% | — | 0% | 178 |
A dash under typical delay means fewer than 30 of that airline’s departures ran 15 minutes late or more — too few to average.
What delays out of AZO were put down to
Airlines file a reason with every arrival running 15 minutes late or more. Across 753 flights that departed AZO and ran 15 minutes late or more, the delay minutes break down with 62.4% put down to airline operations and 15.3% to severe weather.
- Late-arriving aircraft 10.9%
- Airline operations 62.4%
- Air traffic & airport volume 11.3%
- Severe weather 15.3%
- Security 0.1%
Late-arriving aircraft is the knock-on category: the plane came in late, so it went out late again. It is why a 7am problem in Newark is still a problem in Denver at dinnertime, and why it is usually the biggest slice on the bar.
If you are connecting through AZO
Of 4,020 scheduled arrivals into AZO, 76% reached the gate less than 15 minutes behind schedule. Of the 871 arrivals that ran late, 41.3% were no more than 45 minutes behind — which is the difference between a tight connection and a new boarding pass.
Work out a specific layover — pick the airport and the minutes you have, and the tool reads the same arrival records back as a share.
Busiest routes out of AZO
Ranked by flights, with the share that arrived on time at the far end. Where a route carries enough flights for a page of its own the chip goes there; otherwise it goes to the destination airport.
AZO in one number
Kalamazoo/Battle Creek (AZO)
Rank 218 of 363 US airports by departures. Steadiest stretch of the day: 6–8am. Hardest month: January.
Questions about AZO
- What is the best time of day to fly out of Kalamazoo/Battle Creek?
- 6–8am. Departures in that band left on time 91.4% of the time across 1,002 flights, July 2023 through June 2026 — the best of the ten bands in the day. The 6–8pm band was the weakest at 74.6%.
- Is the early flight out of AZO really more reliable?
- 6–8am departures from AZO left on time 91.4% of the time across 1,002 flights; 6–8pm departures, 74.6% across 692. That is a gap of 16.8 points, and it is the whole case for the early flight.
- What is the worst month to fly out of AZO?
- January: 71.6% of the departures that flew left on time, with 307 scheduled. April was the other end of the year at 89.2%. Each figure pools three years of that calendar month.
- Which airline is most on time at AZO?
- Endeavor Air — 88.2% of its 178 departures from AZO left on time. SkyWest Airlines sat at the other end at 82.1% over 2,878 flights. Only airlines with at least 100 departures here are ranked.
- How often are flights cancelled at AZO?
- 2.1% of scheduled departures were cancelled over July 2023 through June 2026. Cancellations are counted against everything scheduled, not against everything that flew — a rate that looks small still adds up to real people in a rebooking line.