Route Reliability
Aspen → Chicago
ASE–ORD · 1,013 miles · Aspen/Pitkin County Airport to Chicago O'Hare International Airport
- 62%
- Arrive within 15 minutes
- 32 min
- Average arrival delay
- 6.2%
- Cancelled
- 1,040
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines69%652 flights
- 2.American Airlines51%388 flights
What the data says
Morning-you made the right choice.
ASE–ORD flights departing between 6–9 AM arrived on time 75% of the time, versus 51% between 3–6 PM.
Saturdays have been rough.
ASE–ORD flights arrived on time 72% of the time on Wednesdays and just 52% on Saturdays. That gap is worth planning around.
United Airlines has a clear lead on this route.
United Airlines arrived on time 69% of the time on this route; American Airlines managed 51%.
Keep a backup plan handy.
This route was cancelled 6.2% 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
- Mon65%(144 flights)
- Tue67%(118 flights)
- Wed72%(123 flights)
- Thu64%(149 flights)
- Fri54%(138 flights)
- Sat52%(150 flights)
- Sun63%(144 flights)
- 6–9 AM75%(109 flights)
- 9 AM–12 PM64%(264 flights)
- 12–3 PM62%(459 flights)
- 3–6 PM51%(134 flights)
Jun 51% → May 80% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 51% | 49 |
| July 2025 | 53% | 53 |
| August 2025 | 63% | 71 |
| September 2025 | 78% | 90 |
| October 2025 | 70% | 53 |
| December 2025 | 51% | 111 |
| January 2026 | 59% | 132 |
| February 2026 | 60% | 144 |
| March 2026 | 67% | 185 |
| April 2026 | 64% | 58 |
| May 2026 | 80% | 20 |
Keep nerding
Based on 1,040 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.