Route Reliability
Milwaukee → Chicago
MKE–ORD · 67 miles · Milwaukee Mitchell International Airport to Chicago O'Hare International Airport
- 68%
- Arrive within 15 minutes
- 25 min
- Average arrival delay
- 4.1%
- Cancelled
- 5,166
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines69%2,991 flights
- 2.American Airlines65%2,174 flights
Not enough history to rank: Frontier Airlines (1 flights). We rank airlines only after 100 flights on the route.
What the data says
Morning-you made the right choice.
MKE–ORD flights departing between 3–6 AM arrived on time 85% of the time, versus 53% between 3–6 PM.
Sunday scaries are real for this one.
MKE–ORD flights arrived on time 72% of the time on Tuesdays. On Sundays: 62%.
United Airlines has a slight edge here.
United Airlines arrived on time 69% of the time on this route; American Airlines managed 65%.
Keep a backup plan handy.
This route was cancelled 4.1% 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
- Mon68%(713 flights)
- Tue72%(694 flights)
- Wed70%(696 flights)
- Thu68%(705 flights)
- Fri65%(712 flights)
- Sat70%(698 flights)
- Sun62%(732 flights)
- 3–6 AM85%(628 flights)
- 6–9 AM72%(1532 flights)
- 9 AM–12 PM70%(774 flights)
- 12–3 PM63%(894 flights)
- 3–6 PM53%(838 flights)
- 6–9 PM54%(282 flights)
- 9 PM–12 AM—(2 flights)
Jun 64% → May 73% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 64% | 378 |
| July 2025 | 58% | 380 |
| August 2025 | 65% | 381 |
| September 2025 | 76% | 390 |
| October 2025 | 63% | 463 |
| November 2025 | 75% | 417 |
| December 2025 | 61% | 390 |
| January 2026 | 68% | 360 |
| February 2026 | 76% | 405 |
| March 2026 | 66% | 404 |
| April 2026 | 65% | 471 |
| May 2026 | 73% | 511 |
Same trip, other airports
Keep nerding
Based on 5,166 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.