Kalamazoo/Battle Creek International in October 2025

86.0%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In October 2025, reporting carriers scheduled 179 domestic departures from Kalamazoo/Battle Creek International (AZO). 86.0% left less than 15 minutes late and 84.4% reached their destination on time; 0.0% were cancelled.

Nationally that month, 80.0% of flights departed on time and 79.1% arrived on time, so AZO departures were 6.0 points above the national departure figure.

A year earlier, in October 2024, the airport had 88 departures with 88.6% leaving on time: a change of −2.6 points, with flights up 103%.

Flights arriving at AZO that month were on time 86.6% of the time (179 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 58%, late-arriving aircraft 27% and national aviation system 15%.

On time 84.4%
Arrived 15+ minutes late 15.6%
Cancelled 0.0%
Diverted 0.0%

Every scheduled departure from AZO in October 2025, judged by arrival at the destination.

October 2025 against a year earlier, the airport's year and the nation

Measure	Oct 2025	Oct 2024	AZO, 12 months to Jul 2026	All reported flights, Oct 2025
Departed on time	86.0%	88.6%	77.6%	80.0%
Arrived on time	84.4%	88.6%	75.6%	79.1%
Cancelled	0.0%	0.0%	3.4%	0.5%
Average departure delay (late minutes only)	14.7 min	9.1 min	22.0 min	13.9 min
Scheduled departures a day	6	3	6	20,195
Scheduled departures	179	88	1,991	605,844

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	92	51%	87.0%	4.7 min	0.0%
MQ Envoy Air	87	49%	81.6%	2.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
AZO–ORD	Kalamazoo to Chicago	91	80.2%	3.6 min	0.0%
AZO–DTW	Kalamazoo to Detroit	88	88.6%	3.9 min	0.0%

By scheduled departure hour

100

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), October 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2025	Minutes
Air carrier	57.9%	34.0%	1,534
Late-arriving aircraft	26.8%	39.7%	711
National Aviation System	15.3%	22.9%	404
Extreme weather	0.0%	3.3%	0
Security	0.0%	0.1%	0

2,649 delay minutes on 28 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left AZO on time in October 2025?

86.0% of 179 scheduled domestic departures left less than 15 minutes late, and 84.4% reached their destination on time. The national figures that month were 80.0% and 79.1%.

How does that compare with a year earlier?

In October 2024, 88.6% of 88 departures left on time and 0.0% were cancelled, against 86.0% and 0.0% in October 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for October 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for AZO · methodology · corrections.