Airport reliability

Kalamazoo (AZO) on-time performance

How reliably flights leave Kalamazoo, MI (AZO) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.

Historical performance Official DOT data through August 2026 · Not live flight status

Kalamazoo, MI1,999 departures in 12 months

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Departures on time: 74.7%
Cancelled: 3.7%
60+ minutes late: 11.7%
Scheduled departures: 1,999

What this means

AZO departures ran below the U.S. average.

74.7% of the 1,999 scheduled departures from Kalamazoo (AZO) arrived at their destination on time, 0.9 points lower than the U.S. average of 75.6%.
3.7% of departures were cancelled (U.S. average 1.9%), and 11.7% arrived an hour or more late.
Flights arriving at AZO were on time 71.6% of the time.
Among airlines with at least 300 departures, Envoy Air was the most punctual from AZO (75.7%) and SkyWest Airlines the least (74.1%).
Over the last 3 years, September was the most reliable month for departures from AZO (88.1% on time) and January the least reliable (62.5%).
Cancellations peaked in November, when 5.4% of flights were cancelled.
Flights scheduled to depart 10 am to 11 am were the most punctual (81.8% on time); flights scheduled to depart 4 pm to 5 pm were the least (62.8%).

Airlines at AZO

Ranked by on-time arrival

Departures from AZO, September 2025 to August 2026. On time means arrived at the destination within 15 minutes of schedule.
Airline	On time	Cancelled	60+ min late	Avg delay when late	Departures
Envoy AirSold as American Eagle	75.7%	4.3%	8.4%	80 min	717
SkyWest AirlinesSold as United Express, Delta Connection, American Eagle, Alaska	74.1%	3.3%	13.6%	123 min	1,282

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On-time rate by departure hour

<6a 79.7%

6a 79.9%

7a 80.9%

8a Insufficient sample

9a Insufficient sample

10a 81.8%

11a 77.6%

12p 73.1%

1p Insufficient sample

2p Insufficient sample

3p 71.4%

4p 62.8%

5p 69.7%

6p 70.4%

7p Insufficient sample

Share of scheduled flights on time AZO average 74.7%

Departures from AZO by scheduled local departure hour, September 2025 to August 2026. Scale starts at zero.

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Period	On time	Flights
Departing before 6 am	79.7%	428
Departing 6 am to 7 am	79.9%	179
Departing 7 am to 8 am	80.9%	115
Departing 8 am to 9 am	Insufficient sample	3
Departing 9 am to 10 am	Insufficient sample	2
Departing 10 am to 11 am	81.8%	121
Departing 11 am to noon	77.6%	143
Departing noon to 1 pm	73.1%	242
Departing 1 pm to 2 pm	Insufficient sample	40
Departing 2 pm to 3 pm	Insufficient sample	25
Departing 3 pm to 4 pm	71.4%	161
Departing 4 pm to 5 pm	62.8%	113
Departing 5 pm to 6 pm	69.7%	155
Departing 6 pm to 7 pm	70.4%	226
Departing 7 pm to 8 pm	Insufficient sample	46

Best and worst months at AZO

Jan 62.5%

Feb 75.9%

Mar 75.8%

Apr 86.4%

May 84.2%

Jun 78.9%

Jul 75.4%

Aug 74.0%

Sep 88.1%

Oct 85.9%

Nov 78.3%

Dec 72.4%

Share of scheduled flights on time 12-month average 74.7%

Departures from AZO by calendar month, September 2023 to August 2026 pooled. Scale starts at zero.

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Period	On time	Flights
January	62.5%	307
February	75.9%	299
March	75.8%	356
April	86.4%	331
May	84.2%	341
June	78.9%	417
July	75.4%	443
August	74.0%	435
September	88.1%	329
October	85.9%	355
November	78.3%	336
December	72.4%	308

Month by month, last 12 months

Sep 90.1%

Oct 84.4%

Nov 76.0%

Dec 61.8%

Jan 60.3%

Feb 70.6%

Mar 67.2%

Apr 77.5%

May 81.9%

Jun 81.0%

Jul 73.1%

Aug 68.3%

Share of scheduled flights on time U.S. average 75.6%

Departures from AZO, September 2025 to August 2026. Scale starts at zero.

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Period	On time	Flights
Sep 2025	90.1%	171
Oct 2025	84.4%	179
Nov 2025	76.0%	171
Dec 2025	61.8%	152
Jan 2026	60.3%	141
Feb 2026	70.6%	143
Mar 2026	67.2%	180
Apr 2026	77.5%	160
May 2026	81.9%	166
Jun 2026	81.0%	174
Jul 2026	73.1%	182
Aug 2026	68.3%	180

Busiest routes from AZO

Nonstop routes from AZO by scheduled flights, September 2025 to August 2026.
To	On time	Cancelled	Airlines	Flights
Detroit (DTW)	75.2%	2.6%	1	1,058
Chicago (ORD)	74.1%	4.9%	2	941

Airliner parked at a terminal gate — Photo: Depositphotos (licensed stock, illustrative only). Credits

Sources & data dates

Source: U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
Period: September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
Data through: August 2026
Processed: 2026-11-03
Scope: Scheduled nonstop domestic departures from Kalamazoo, MI (AZO) by airlines that report to the DOT.
Method: Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.

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