Route
AZO → ORD
Kalamazoo/Battle Creek International Airport Chicago O'Hare International Airport
How punctual is this route?
- On-time arrivals
- 78.0%
- Less than 15 minutes late
- Cancelled
- 4.9%
- Of scheduled flights
- Average delay when late
- 93 min
- Flights arriving 15+ minutes late
- Flights tracked
- 941
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 39%
- Air traffic control & airport 32%
- Airline (crew, maintenance, cleaning) 21%
- Extreme weather 8%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 90.6% | 86 |
| October 2025 | 80.2% | 91 |
| November 2025 | 86.7% | 87 |
| December 2025 | 67.5% | 89 |
| January 2026 | 70.3% | 66 |
| February 2026 | 79.5% | 73 |
| March 2026 | 75.0% | 93 |
| April 2026 | 78.6% | 90 |
| May 2026 | 83.3% | 79 |
| June 2026 | 74.6% | 63 |
| July 2026 | 76.4% | 62 |
| August 2026 | 67.8% | 62 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Envoy Air | 717 | 79.3% | 4.3% | 83 min |
| SkyWest Airlines | 224 | 73.7% | 6.7% | 117 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
OO6418
37% late · 103 flights
-
OO6207
16% late · 75 flights
-
MQ3595
31% late · 54 flights
-
MQ3634
28% late · 54 flights
-
MQ3559
23% late · 46 flights
-
MQ3381
11% late · 44 flights
-
MQ3962
26% late · 44 flights
-
MQ3394
28% late · 36 flights
-
MQ3504
26% late · 36 flights
-
MQ3419
16% late · 33 flights
-
MQ3726
6% late · 33 flights
-
MQ3457
21% late · 30 flights
-
MQ3458
19% late · 30 flights
-
MQ3469
10% late · 30 flights
-
MQ3560
19% late · 30 flights
-
MQ3591
19% late · 27 flights
-
OO4933
16% late · 27 flights
-
MQ3483
12% late · 24 flights
-
MQ3834
38% late · 24 flights
-
MQ3830
4% late · 23 flights
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