Route
MKE → ORD
General Mitchell International Airport Chicago O'Hare International Airport
How punctual is this route?
- On-time arrivals
- 68.4%
- Less than 15 minutes late
- Cancelled
- 4.4%
- Of scheduled flights
- Average delay when late
- 97 min
- Flights arriving 15+ minutes late
- Flights tracked
- 5,344
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 44%
- Late-arriving aircraft 24%
- Air traffic control & airport 22%
- Extreme weather 9%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 74.1% | 394 |
| October 2025 | 61.8% | 463 |
| November 2025 | 73.9% | 465 |
| December 2025 | 60.8% | 405 |
| January 2026 | 66.9% | 372 |
| February 2026 | 75.1% | 409 |
| March 2026 | 64.6% | 451 |
| April 2026 | 63.1% | 517 |
| May 2026 | 71.8% | 516 |
| June 2026 | 73.8% | 417 |
| July 2026 | 70.8% | 461 |
| August 2026 | 65.4% | 474 |
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 |
|---|---|---|---|---|
| SkyWest Airlines | 5,046 | 68.3% | 4.2% | 97 min |
| Envoy Air | 156 | 70.1% | 5.8% | 77 min |
| Republic Airways | 116 | 75.9% | 6.9% | 87 min |
| OH | 26 | 54.5% | 15.4% | 179 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
OO5402
25% late · 362 flights
-
OO4803
23% late · 342 flights
-
OO5799
24% late · 322 flights
-
OO4740
33% late · 294 flights
-
OO5648
48% late · 253 flights
-
OO5640
38% late · 191 flights
-
OO5502
38% late · 128 flights
-
OO5996
20% late · 127 flights
-
OO6370
34% late · 121 flights
-
OO6261
30% late · 120 flights
-
OO5347
34% late · 119 flights
-
OO5896
22% late · 113 flights
-
OO6358
14% late · 106 flights
-
OO6213
22% late · 76 flights
-
OO6263
14% late · 76 flights
-
OO4914
18% late · 75 flights
-
OO6211
50% late · 75 flights
-
OO4937
29% late · 65 flights
-
OO4938
38% late · 57 flights
-
OO4953
22% late · 53 flights
-
OO4726
41% late · 47 flights
-
OO4748
37% late · 47 flights
-
OO5399
25% late · 47 flights
-
OO5653
64% late · 47 flights
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