Route Reliability
Colorado Springs → Chicago
COS–ORD · 911 miles · Colorado Springs Airport to Chicago O'Hare International Airport
- 76%
- Arrive within 15 minutes
- 21 min
- Average arrival delay
- 1.2%
- Cancelled
- 997
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines83%636 flights
- 2.American Airlines63%361 flights
What the data says
Morning-you made the right choice.
COS–ORD flights departing between 6–9 AM arrived on time 89% of the time, versus 70% between 12–3 PM.
Skip Monday if you can.
COS–ORD flights arrived on time 83% of the time on Saturdays. On Mondays: 71%.
United Airlines has a clear lead on this route.
United Airlines arrived on time 83% of the time on this route; American Airlines managed 63%.
Ticking up lately.
COS–ORD flights arrived on time 75% of the time over the last three months in the data, compared with 70% in the three months before that.
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
- Mon71%(140 flights)
- Tue78%(140 flights)
- Wed74%(139 flights)
- Thu80%(139 flights)
- Fri73%(139 flights)
- Sat83%(137 flights)
- Sun73%(143 flights)
- 6–9 AM89%(218 flights)
- 9 AM–12 PM79%(187 flights)
- 12–3 PM70%(572 flights)
Jun 80% → May 86% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 80% | 86 |
| July 2025 | 68% | 90 |
| August 2025 | 79% | 89 |
| September 2025 | 81% | 88 |
| October 2025 | 81% | 93 |
| November 2025 | 79% | 85 |
| December 2025 | 72% | 90 |
| January 2026 | 66% | 65 |
| February 2026 | 71% | 56 |
| March 2026 | 61% | 59 |
| April 2026 | 77% | 84 |
| May 2026 | 86% | 92 |
Same trip, other airports
Keep nerding
Based on 997 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.