According to PlainFlights' airport traffic ranking (BTS On-Time Performance total flights), Kalamazoo, MI (AZO) ranks #218 of 382 tracked US airports by total flights (most flights = #1). Kalamazoo, MI posts top-quartile on-time performance among the 382 tracked U.S. airports, as a mid-size U.S. airport.
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AZO on-time rate vs. the national average
Ahead of the U.S. average across all 382 tracked airports.
Volume vs. on-time rate
Where Kalamazoo, MI sits on volume vs. on-time rate
Among the 382 U.S. airports in the BTS corpus, Kalamazoo, MI handles more flight
volume than 43% of them, and has a higher on-time rate than
85% of them, placing it in the quadrant for quiet and reliable.
Flight volume and on-time rate are independent figures: a busy airport can still run
reliably, and a quiet one can still run late.
Kalamazoo, MI vs. a 29-airport national peer sample, volume percentile vs. on-time-rate percentile.
Total flights (2020-2025): 17,506 ·
On-time rate: 87.1%
Delay Cause Breakdown
Top delay cause: Carrier.
Total delay minutes106,408 min
Carrier55,193 min · 52%
Late Aircraft24,464 min · 23%
NAS (National Aviation System)13,815 min · 13%
Weather12,936 min · 12%
Security0 min · 0%
Source: U.S. DOT Bureau of Transportation Statistics, On-Time Performance
AZO - seasonal on-time pattern
Best: April (97.1%) · worst: December (92%)
AZO - on-time rate by year
2020–2025, year-over-year trend.
AZO - taxi-out and taxi-in (monthly)
Average taxi-out 18.7 min · taxi-in 3.7 min over the last 24 reported months (U.S. airport mean taxi-out ≈ 16.4 min).
AZO's average taxi-out (18.7 min) sits near the recent U.S. airport mean (~16.4 min). Month-to-month, it swings from 15.3 min (September 2025) to 29.2 min (January 2025).
Two PlainFlights-derived comparison paths for Kalamazoo, MI, both outside Michigan so the neighborhoods are not same-state geography. Axes stay disjoint: volume peers exclude the on-time peer set. Same-state compare stays below.
The standout signal at Kalamazoo, MI is the delay mix: Carrier owns 51.9% of 106,408 delay minutes across 17,506 BTS flights. The on-time headline is 87.1% (8.1 pts above the 79% national average), with 2,263 delayed and 212 cancelled (1.21%).
Delay minutes concentrate in Carrier (23.0% late-aircraft, 51.9% carrier, 13.0% NAS, 12.2% weather, 0.0% security). Mid-volume books still show a clear delay fingerprint rather than a weather-only story.
On the multi-year calendar, AZO is strongest in April (97.1% on-time) and weakest in December (92%), a 5.1-point swing. Volume peaks in January (~277 flights/month). The busiest connecting route is to DTW (Detroit) at 86.1% on-time. Field definitions: on-time performance explained.
Kalamazoo, MI vs. the national on-time distribution
On-time rate among all 382 tracked U.S. airports
87.1%Top 15%higher than 85% of 382 airports
Kalamazoo, MI
60%95%
U.S. airports by on-time rate, bucketed by value
Each bar is a band; taller bars hold more airports. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025).
Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.
AZO's on-time book is stronger than most peers; the remaining risk sits in the delay mix, not a weak headline rate.
Check the busiest route from AZO before you book a connection. See top routes →
Travel in April rather than December if your dates are flexible. Seasonal patterns →
Gate-to-wheels taxi-out averages 18.7 min here; check the monthly series before a tight connection. Taxi times →
On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.
Frequently Asked Questions
What is Kalamazoo, MI's on-time rate?
Kalamazoo, MI (AZO) has a 87.1% on-time rate across 17,506 BTS-tracked flights (2020-2025), 8.1 pts above the 79% national flight-weighted average; that places it in roughly the top-quartile on-time performance.
How does AZO rank among U.S. airports by traffic volume?
Kalamazoo, MI ranks #218 of 382 tracked US airports by total BTS flights (most flights = #1), making it a mid-size U.S. airport.
What's the most common cause of delays at Kalamazoo, MI?
Carrier is the leading delay cause at AZO, accounting for 51.9% of delay minutes. The full breakdown: 23.0% late-aircraft, 51.9% carrier, 13.0% NAS/air-traffic-control, 12.2% weather, and 0.0% security.
When is the best time to fly through Kalamazoo, MI?
April is historically AZO's strongest month at 97.1% on-time, while December is the weakest at 92%, a 5.1-point swing across the BTS historical record.