Route Reliability
Chicago → Milwaukee
ORD–MKE · 67 miles · Chicago O'Hare International Airport to Milwaukee Mitchell International Airport
- 64%
- Arrive within 15 minutes
- 28 min
- Average arrival delay
- 4.5%
- Cancelled
- 5,167
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines68%2,991 flights
- 2.American Airlines60%2,176 flights
What the data says
Morning-you made the right choice.
ORD–MKE flights departing between 6–9 AM arrived on time 73% of the time, versus 57% between 3–6 PM.
Sunday scaries are real for this one.
ORD–MKE flights arrived on time 70% of the time on Tuesdays. On Sundays: 58%.
United Airlines runs this route best.
United Airlines arrived on time 68% of the time on this route; American Airlines managed 60%.
Keep a backup plan handy.
This route was cancelled 4.5% of the time. Typical for U.S. flights is around 1–2%.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon62%(712 flights)
- Tue70%(687 flights)
- Wed69%(702 flights)
- Thu64%(703 flights)
- Fri62%(703 flights)
- Sat67%(694 flights)
- Sun58%(726 flights)
- 6–9 AM73%(357 flights)
- 9 AM–12 PM72%(866 flights)
- 12–3 PM67%(797 flights)
- 3–6 PM57%(1127 flights)
- 6–9 PM63%(1147 flights)
- 9 PM–12 AM63%(633 flights)
Jun 62% → May 72% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 62% | 379 |
| July 2025 | 59% | 377 |
| August 2025 | 69% | 376 |
| September 2025 | 74% | 390 |
| October 2025 | 69% | 463 |
| November 2025 | 72% | 412 |
| December 2025 | 54% | 388 |
| January 2026 | 55% | 363 |
| February 2026 | 60% | 407 |
| March 2026 | 61% | 397 |
| April 2026 | 63% | 463 |
| May 2026 | 72% | 512 |
Same trip, other airports
Keep nerding
Based on 5,167 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.