Route
ORD → MKE
Chicago O'Hare International Airport General Mitchell International Airport
How punctual is this route?
- On-time arrivals
- 64.3%
- Less than 15 minutes late
- Cancelled
- 4.7%
- Of scheduled flights
- Average delay when late
- 94 min
- Flights arriving 15+ minutes late
- Flights tracked
- 5,344
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 36%
- Late-arriving aircraft 30%
- Air traffic control & airport 17%
- Extreme weather 16%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 73.3% | 394 |
| October 2025 | 67.8% | 463 |
| November 2025 | 70.9% | 464 |
| December 2025 | 53.1% | 405 |
| January 2026 | 54.8% | 373 |
| February 2026 | 60.0% | 410 |
| March 2026 | 59.9% | 450 |
| April 2026 | 62.2% | 516 |
| May 2026 | 71.3% | 517 |
| June 2026 | 65.5% | 416 |
| July 2026 | 68.0% | 461 |
| August 2026 | 61.7% | 475 |
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 | 5,047 | 63.9% | 4.6% | 95 min |
| Envoy Air | 156 | 65.8% | 4.5% | 71 min |
| Republic Airways | 115 | 80.4% | 7.0% | 68 min |
| OH | 26 | 72.7% | 15.4% | 320 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
OO5555
48% late · 363 flights
-
OO5362
30% late · 344 flights
-
OO4711
34% late · 257 flights
-
OO5234
25% late · 248 flights
-
OO5262
26% late · 244 flights
-
OO5933
33% late · 237 flights
-
OO5821
29% late · 211 flights
-
OO6357
52% late · 164 flights
-
OO5225
40% late · 163 flights
-
OO5668
37% late · 140 flights
-
OO5320
24% late · 91 flights
-
OO6366
46% late · 78 flights
-
OO4888
49% late · 76 flights
-
OO6211
46% late · 75 flights
-
OO6263
19% late · 75 flights
-
OO6261
30% late · 66 flights
-
OO5522
41% late · 64 flights
-
OO4946
41% late · 61 flights
-
OO5581
31% late · 61 flights
-
OO6356
47% late · 60 flights
-
OO6248
45% late · 59 flights
-
OO4957
53% late · 51 flights
-
OO4936
23% late · 47 flights
-
OO5720
24% late · 47 flights
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