Route Reliability
MLI → Chicago
MLI–ORD · 139 miles · MLI Airport to Chicago O'Hare International Airport
- 72%
- Arrive within 15 minutes
- 21 min
- Average arrival delay
- 3.8%
- Cancelled
- 2,753
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.American Airlines73%1,010 flights
- 2.United Airlines71%1,743 flights
What the data says
Morning flights do better here.
MLI–ORD flights departing between 3–6 AM arrived on time 85% of the time, versus 58% between 3–6 PM.
Friday is doing you no favors.
MLI–ORD flights arrived on time 76% of the time on Tuesdays. On Fridays: 66%.
Not much between American Airlines and United Airlines.
On this route they all land within 71% to 73% on time. Pick on schedule and price.
Keep a backup plan handy.
This route was cancelled 3.8% 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
- Mon70%(388 flights)
- Tue76%(364 flights)
- Wed73%(375 flights)
- Thu76%(391 flights)
- Fri66%(384 flights)
- Sat72%(344 flights)
- Sun69%(399 flights)
- 3–6 AM85%(46 flights)
- 6–9 AM80%(830 flights)
- 9 AM–12 PM76%(597 flights)
- 12–3 PM73%(287 flights)
- 3–6 PM58%(562 flights)
- 6–9 PM63%(323 flights)
Jun 75% → May 76% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 75% | 219 |
| July 2025 | 68% | 203 |
| August 2025 | 74% | 208 |
| September 2025 | 83% | 220 |
| October 2025 | 70% | 244 |
| November 2025 | 74% | 211 |
| December 2025 | 60% | 207 |
| January 2026 | 65% | 180 |
| February 2026 | 69% | 206 |
| March 2026 | 69% | 214 |
| April 2026 | 74% | 238 |
| May 2026 | 76% | 295 |
Keep nerding
Based on 2,753 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.