Route Reliability
Chicago → COU
ORD–COU · 315 miles · Chicago O'Hare International Airport to COU Airport
- 70%
- Arrive within 15 minutes
- 16 min
- Average arrival delay
- 3.5%
- Cancelled
- 1,812
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.American Airlines73%1,118 flights
- 2.United Airlines65%694 flights
What the data says
Morning-you made the right choice.
ORD–COU flights departing between 6–9 AM arrived on time 84% of the time, versus 63% between 6–9 PM.
Tuesday has been the better bet.
A small edge: 73% on time on Tuesdays against 67% on Mondays.
American Airlines runs this route best.
American Airlines arrived on time 73% of the time on this route; United Airlines managed 65%.
Keep a backup plan handy.
This route was cancelled 3.5% 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
- Mon67%(259 flights)
- Tue73%(240 flights)
- Wed69%(242 flights)
- Thu72%(261 flights)
- Fri68%(256 flights)
- Sat73%(223 flights)
- Sun68%(261 flights)
- 6–9 AM84%(135 flights)
- 9 AM–12 PM76%(356 flights)
- 12–3 PM72%(386 flights)
- 3–6 PM67%(272 flights)
- 6–9 PM63%(581 flights)
- 9 PM–12 AM67%(12 flights)
Jun 68% → May 86% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 68% | 82 |
| July 2025 | 65% | 82 |
| August 2025 | 72% | 74 |
| September 2025 | 82% | 107 |
| October 2025 | 78% | 179 |
| November 2025 | 71% | 152 |
| December 2025 | 52% | 194 |
| January 2026 | 64% | 178 |
| February 2026 | 70% | 164 |
| March 2026 | 63% | 169 |
| April 2026 | 73% | 181 |
| May 2026 | 86% | 180 |
Keep nerding
Based on 1,812 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.