Route · AZO → ORD · 2020–2025 BTS data
Kalamazoo to Chicago
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), AZO to ORD (Kalamazoo to Chicago) ranks #3520 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 86.7%
- On-time
- +7.7 pts
- vs US avg
- 82 min
- Delay when late
- 2,523
- Flights
- #3520 of 4927
- Corpus placement
Cancelled
3.7%
Best Month
Jun 2022 93%
Worst Month
Dec 2025 70%
Distance
122 mi
Carriers
6
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 89 | 27 | 6 | 0 | MQ |
| Nov 2025 | 87 | 10 | 12 | 0 | MQ |
| Oct 2025 | 91 | 18 | 0 | 0 | OO,MQ |
| Sep 2025 | 86 | 8 | 1 | 0 | MQ |
| Aug 2025 | 85 | 10 | 2 | 0 | MQ |
| Jul 2025 | 88 | 17 | 4 | 0 | MQ |
| Jun 2025 | 73 | 17 | 2 | 0 | MQ |
| Jan 2023 | 49 | 15 | 0 | 0 | MQ |
| Dec 2022 | 60 | 14 | 3 | 0 | MQ |
| Nov 2022 | 59 | 14 | 6 | 0 | MQ |
| Oct 2022 | 62 | 5 | 0 | 0 | MQ |
| Sep 2022 | 60 | 7 | 1 | 0 | MQ |
| Aug 2022 | 62 | 8 | 2 | 0 | MQ |
| Jul 2022 | 62 | 8 | 0 | 0 | MQ |
| Jun 2022 | 60 | 4 | 0 | 0 | MQ |
| May 2022 | 62 | 5 | 1 | 0 | MQ |
| Apr 2022 | 60 | 4 | 2 | 0 | MQ |
| Mar 2022 | 62 | 7 | 1 | 0 | MQ |
| Feb 2022 | 56 | 13 | 6 | 0 | MQ |
| Jan 2022 | 64 | 14 | 5 | 0 | OO,MQ |
| Dec 2021 | 75 | 7 | 6 | 0 | OO,MQ |
| Nov 2021 | 61 | 7 | 0 | 1 | MQ |
| Oct 2021 | 56 | 10 | 0 | 0 | MQ |
| Sep 2021 | 50 | 4 | 0 | 0 | MQ |
AZO–ORD seasonal on-time pattern
Best: April (95.9%) · weakest: February (77.6%)
Strongest calendar month
April
95.9% on-time · ~65 flights/mo
Busiest calendar month
February
~81 flights/mo avg
Weakest calendar month
February
77.6% on-time · ~81 flights/mo
Cancellation Rate
3.7%
60 of 1,619 flights
Diversion Rate
0.1%
1 of 1,619 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
AZO - Kalamazoo
Full on-time, delay-cause, and seasonal performance for Kalamazoo, MI.
AZO on-time profileORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
ORD on-time profileCompare the two airports
See AZO and ORD side by side on delays, cancellations, and reliability.
Compare AZO vs ORDOrigin-hub reliability standing
Among AZO's stronger departures
AZO → ORD posts a 86.7% on-time rate, landing in the ≥85% band with 2 of 2 BTS-tracked routes leaving Kalamazoo. The same hub also shows 0 mid-band and 0 challenged departures · fleet-wide on-time rank #699 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to AZO–ORD.
Routes with a similar on-time rate
What the Data Says About AZO to ORD
Kalamazoo to Chicago (AZO to ORD) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.7% on-time rate across 2,523 flights, with delays that do happen averaging 81.7 minutes. The corridor runs roughly 122 miles and is served by 6 carriers. Over the most recent 24 months, 60 of 1,619 flights were cancelled (3.7%) and 1 diverted (0.1%).
The monthly split is wide on this route: Jun 2022 posted the strongest performance at 93% on-time, while Dec 2025 came in at just 70% - a 24-point swing worth factoring into travel timing.
On the multi-year calendar, AZO–ORD peaks in April at 95.9% on-time while February carries the heaviest traffic (~81 flights per month) ; the softest month is February at 77.6%, a 18.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does AZO to ORD rank among US routes by traffic? ▼
How often are flights delayed from AZO to ORD? ▼
What is the cancellation rate for AZO to ORD? ▼
How far is the flight from AZO to ORD? ▼
When is the best time to fly from AZO to ORD? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using AZO–ORD data
AZO–ORD runs 7.7 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare AZO and ORD airport profiles: delay causes and top routes differ even on the same corridor. AZO airport
- If your dates flex, April (95.9% on-time) beats February (77.6%) on this corridor. Seasonal chart
- 4 other routes post a similar 86.7% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.